TSTP Solution File: SEU216+3 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SEU216+3 : TPTP v8.1.0. Released v3.2.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n023.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  : 300s
% DateTime : Wed Jul 27 13:15:12 EDT 2022

% Result   : Unknown 43.67s 43.85s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11  % Problem  : SEU216+3 : TPTP v8.1.0. Released v3.2.0.
% 0.07/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n023.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  : 300
% 0.12/0.33  % DateTime : Wed Jul 27 08:09:33 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 2.00/2.21  ----- Otter 3.3f, August 2004 -----
% 2.00/2.21  The process was started by sandbox on n023.cluster.edu,
% 2.00/2.21  Wed Jul 27 08:09:33 2022
% 2.00/2.21  The command was "./otter".  The process ID is 5045.
% 2.00/2.21  
% 2.00/2.21  set(prolog_style_variables).
% 2.00/2.21  set(auto).
% 2.00/2.21     dependent: set(auto1).
% 2.00/2.21     dependent: set(process_input).
% 2.00/2.21     dependent: clear(print_kept).
% 2.00/2.21     dependent: clear(print_new_demod).
% 2.00/2.21     dependent: clear(print_back_demod).
% 2.00/2.21     dependent: clear(print_back_sub).
% 2.00/2.21     dependent: set(control_memory).
% 2.00/2.21     dependent: assign(max_mem, 12000).
% 2.00/2.21     dependent: assign(pick_given_ratio, 4).
% 2.00/2.21     dependent: assign(stats_level, 1).
% 2.00/2.21     dependent: assign(max_seconds, 10800).
% 2.00/2.21  clear(print_given).
% 2.00/2.21  
% 2.00/2.21  formula_list(usable).
% 2.00/2.21  all A (A=A).
% 2.00/2.21  all A B (in(A,B)-> -in(B,A)).
% 2.00/2.21  all A (empty(A)->function(A)).
% 2.00/2.21  all A (empty(A)->relation(A)).
% 2.00/2.21  all A B (unordered_pair(A,B)=unordered_pair(B,A)).
% 2.00/2.21  all A B (relation(B)-> (B=identity_relation(A)<-> (all C D (in(ordered_pair(C,D),B)<->in(C,A)&C=D)))).
% 2.00/2.21  all A (relation(A)&function(A)-> (all B C ((in(B,relation_dom(A))-> (C=apply(A,B)<->in(ordered_pair(B,C),A)))& (-in(B,relation_dom(A))-> (C=apply(A,B)<->C=empty_set))))).
% 2.00/2.21  all A B (ordered_pair(A,B)=unordered_pair(unordered_pair(A,B),singleton(A))).
% 2.00/2.21  all A relation(identity_relation(A)).
% 2.00/2.21  all A exists B element(B,A).
% 2.00/2.21  empty(empty_set).
% 2.00/2.21  relation(empty_set).
% 2.00/2.21  relation_empty_yielding(empty_set).
% 2.00/2.21  all A (-empty(powerset(A))).
% 2.00/2.21  empty(empty_set).
% 2.00/2.21  all A B (-empty(ordered_pair(A,B))).
% 2.00/2.21  all A (relation(identity_relation(A))&function(identity_relation(A))).
% 2.00/2.21  all A (-empty(singleton(A))).
% 2.00/2.21  all A B (-empty(unordered_pair(A,B))).
% 2.00/2.21  empty(empty_set).
% 2.00/2.21  relation(empty_set).
% 2.00/2.21  all A (-empty(A)&relation(A)-> -empty(relation_dom(A))).
% 2.00/2.21  all A (-empty(A)&relation(A)-> -empty(relation_rng(A))).
% 2.00/2.21  all A (empty(A)->empty(relation_dom(A))&relation(relation_dom(A))).
% 2.00/2.21  all A (empty(A)->empty(relation_rng(A))&relation(relation_rng(A))).
% 2.00/2.21  exists A (relation(A)&function(A)).
% 2.00/2.21  exists A (empty(A)&relation(A)).
% 2.00/2.21  all A (-empty(A)-> (exists B (element(B,powerset(A))& -empty(B)))).
% 2.00/2.21  exists A empty(A).
% 2.00/2.21  exists A (-empty(A)&relation(A)).
% 2.00/2.21  all A exists B (element(B,powerset(A))&empty(B)).
% 2.00/2.21  exists A (-empty(A)).
% 2.00/2.21  exists A (relation(A)&relation_empty_yielding(A)).
% 2.00/2.21  all A B subset(A,A).
% 2.00/2.21  all A B (in(A,B)->element(A,B)).
% 2.00/2.21  all A B (element(A,B)->empty(B)|in(A,B)).
% 2.00/2.21  -(all A B (relation(B)&function(B)-> (B=identity_relation(A)<->relation_dom(B)=A& (all C (in(C,A)->apply(B,C)=C))))).
% 2.00/2.21  all A B (element(A,powerset(B))<->subset(A,B)).
% 2.00/2.21  all A B C (in(A,B)&element(B,powerset(C))->element(A,C)).
% 2.00/2.21  all A B C (-(in(A,B)&element(B,powerset(C))&empty(C))).
% 2.00/2.21  all A (empty(A)->A=empty_set).
% 2.00/2.21  all A (relation_dom(identity_relation(A))=A&relation_rng(identity_relation(A))=A).
% 2.00/2.21  all A B (-(in(A,B)&empty(B))).
% 2.00/2.21  all A B (-(empty(A)&A!=B&empty(B))).
% 2.00/2.21  all A B C (relation(C)&function(C)-> (in(ordered_pair(A,B),C)<->in(A,relation_dom(C))&B=apply(C,A))).
% 2.00/2.21  end_of_list.
% 2.00/2.21  
% 2.00/2.21  -------> usable clausifies to:
% 2.00/2.21  
% 2.00/2.21  list(usable).
% 2.00/2.21  0 [] A=A.
% 2.00/2.21  0 [] -in(A,B)| -in(B,A).
% 2.00/2.21  0 [] -empty(A)|function(A).
% 2.00/2.21  0 [] -empty(A)|relation(A).
% 2.00/2.21  0 [] unordered_pair(A,B)=unordered_pair(B,A).
% 2.00/2.21  0 [] -relation(B)|B!=identity_relation(A)| -in(ordered_pair(C,D),B)|in(C,A).
% 2.00/2.21  0 [] -relation(B)|B!=identity_relation(A)| -in(ordered_pair(C,D),B)|C=D.
% 2.00/2.21  0 [] -relation(B)|B!=identity_relation(A)|in(ordered_pair(C,D),B)| -in(C,A)|C!=D.
% 2.00/2.21  0 [] -relation(B)|B=identity_relation(A)|in(ordered_pair($f2(A,B),$f1(A,B)),B)|in($f2(A,B),A).
% 2.00/2.21  0 [] -relation(B)|B=identity_relation(A)|in(ordered_pair($f2(A,B),$f1(A,B)),B)|$f2(A,B)=$f1(A,B).
% 2.00/2.21  0 [] -relation(B)|B=identity_relation(A)| -in(ordered_pair($f2(A,B),$f1(A,B)),B)| -in($f2(A,B),A)|$f2(A,B)!=$f1(A,B).
% 2.00/2.21  0 [] -relation(A)| -function(A)| -in(B,relation_dom(A))|C!=apply(A,B)|in(ordered_pair(B,C),A).
% 2.00/2.21  0 [] -relation(A)| -function(A)| -in(B,relation_dom(A))|C=apply(A,B)| -in(ordered_pair(B,C),A).
% 2.00/2.21  0 [] -relation(A)| -function(A)|in(B,relation_dom(A))|C!=apply(A,B)|C=empty_set.
% 2.00/2.21  0 [] -relation(A)| -function(A)|in(B,relation_dom(A))|C=apply(A,B)|C!=empty_set.
% 2.00/2.21  0 [] ordered_pair(A,B)=unordered_pair(unordered_pair(A,B),singleton(A)).
% 2.00/2.21  0 [] relation(identity_relation(A)).
% 2.00/2.21  0 [] element($f3(A),A).
% 2.00/2.21  0 [] empty(empty_set).
% 2.00/2.21  0 [] relation(empty_set).
% 2.00/2.21  0 [] relation_empty_yielding(empty_set).
% 2.00/2.21  0 [] -empty(powerset(A)).
% 2.00/2.21  0 [] empty(empty_set).
% 2.00/2.21  0 [] -empty(ordered_pair(A,B)).
% 2.00/2.21  0 [] relation(identity_relation(A)).
% 2.00/2.21  0 [] function(identity_relation(A)).
% 2.00/2.21  0 [] -empty(singleton(A)).
% 2.00/2.21  0 [] -empty(unordered_pair(A,B)).
% 2.00/2.21  0 [] empty(empty_set).
% 2.00/2.21  0 [] relation(empty_set).
% 2.00/2.21  0 [] empty(A)| -relation(A)| -empty(relation_dom(A)).
% 2.00/2.21  0 [] empty(A)| -relation(A)| -empty(relation_rng(A)).
% 2.00/2.21  0 [] -empty(A)|empty(relation_dom(A)).
% 2.00/2.21  0 [] -empty(A)|relation(relation_dom(A)).
% 2.00/2.21  0 [] -empty(A)|empty(relation_rng(A)).
% 2.00/2.21  0 [] -empty(A)|relation(relation_rng(A)).
% 2.00/2.21  0 [] relation($c1).
% 2.00/2.21  0 [] function($c1).
% 2.00/2.21  0 [] empty($c2).
% 2.00/2.21  0 [] relation($c2).
% 2.00/2.21  0 [] empty(A)|element($f4(A),powerset(A)).
% 2.00/2.21  0 [] empty(A)| -empty($f4(A)).
% 2.00/2.21  0 [] empty($c3).
% 2.00/2.21  0 [] -empty($c4).
% 2.00/2.21  0 [] relation($c4).
% 2.00/2.21  0 [] element($f5(A),powerset(A)).
% 2.00/2.21  0 [] empty($f5(A)).
% 2.00/2.21  0 [] -empty($c5).
% 2.00/2.21  0 [] relation($c6).
% 2.00/2.21  0 [] relation_empty_yielding($c6).
% 2.00/2.21  0 [] subset(A,A).
% 2.00/2.21  0 [] -in(A,B)|element(A,B).
% 2.00/2.21  0 [] -element(A,B)|empty(B)|in(A,B).
% 2.00/2.21  0 [] relation($c8).
% 2.00/2.21  0 [] function($c8).
% 2.00/2.21  0 [] $c8=identity_relation($c9)|relation_dom($c8)=$c9.
% 2.00/2.21  0 [] $c8=identity_relation($c9)| -in(C,$c9)|apply($c8,C)=C.
% 2.00/2.21  0 [] $c8!=identity_relation($c9)|relation_dom($c8)!=$c9|in($c7,$c9).
% 2.00/2.21  0 [] $c8!=identity_relation($c9)|relation_dom($c8)!=$c9|apply($c8,$c7)!=$c7.
% 2.00/2.21  0 [] -element(A,powerset(B))|subset(A,B).
% 2.00/2.21  0 [] element(A,powerset(B))| -subset(A,B).
% 2.00/2.21  0 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.00/2.21  0 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.00/2.21  0 [] -empty(A)|A=empty_set.
% 2.00/2.21  0 [] relation_dom(identity_relation(A))=A.
% 2.00/2.21  0 [] relation_rng(identity_relation(A))=A.
% 2.00/2.21  0 [] -in(A,B)| -empty(B).
% 2.00/2.21  0 [] -empty(A)|A=B| -empty(B).
% 2.00/2.21  0 [] -relation(C)| -function(C)| -in(ordered_pair(A,B),C)|in(A,relation_dom(C)).
% 2.00/2.21  0 [] -relation(C)| -function(C)| -in(ordered_pair(A,B),C)|B=apply(C,A).
% 2.00/2.21  0 [] -relation(C)| -function(C)|in(ordered_pair(A,B),C)| -in(A,relation_dom(C))|B!=apply(C,A).
% 2.00/2.21  end_of_list.
% 2.00/2.21  
% 2.00/2.21  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=5.
% 2.00/2.21  
% 2.00/2.21  This ia a non-Horn set with equality.  The strategy will be
% 2.00/2.21  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.00/2.21  deletion, with positive clauses in sos and nonpositive
% 2.00/2.21  clauses in usable.
% 2.00/2.21  
% 2.00/2.21     dependent: set(knuth_bendix).
% 2.00/2.21     dependent: set(anl_eq).
% 2.00/2.21     dependent: set(para_from).
% 2.00/2.21     dependent: set(para_into).
% 2.00/2.21     dependent: clear(para_from_right).
% 2.00/2.21     dependent: clear(para_into_right).
% 2.00/2.21     dependent: set(para_from_vars).
% 2.00/2.21     dependent: set(eq_units_both_ways).
% 2.00/2.21     dependent: set(dynamic_demod_all).
% 2.00/2.21     dependent: set(dynamic_demod).
% 2.00/2.21     dependent: set(order_eq).
% 2.00/2.21     dependent: set(back_demod).
% 2.00/2.21     dependent: set(lrpo).
% 2.00/2.21     dependent: set(hyper_res).
% 2.00/2.21     dependent: set(unit_deletion).
% 2.00/2.21     dependent: set(factor).
% 2.00/2.21  
% 2.00/2.21  ------------> process usable:
% 2.00/2.21  ** KEPT (pick-wt=6): 1 [] -in(A,B)| -in(B,A).
% 2.00/2.21  ** KEPT (pick-wt=4): 2 [] -empty(A)|function(A).
% 2.00/2.21  ** KEPT (pick-wt=4): 3 [] -empty(A)|relation(A).
% 2.00/2.21  ** KEPT (pick-wt=14): 4 [] -relation(A)|A!=identity_relation(B)| -in(ordered_pair(C,D),A)|in(C,B).
% 2.00/2.21  ** KEPT (pick-wt=14): 5 [] -relation(A)|A!=identity_relation(B)| -in(ordered_pair(C,D),A)|C=D.
% 2.00/2.21  ** KEPT (pick-wt=17): 6 [] -relation(A)|A!=identity_relation(B)|in(ordered_pair(C,D),A)| -in(C,B)|C!=D.
% 2.00/2.21  ** KEPT (pick-wt=20): 7 [] -relation(A)|A=identity_relation(B)|in(ordered_pair($f2(B,A),$f1(B,A)),A)|in($f2(B,A),B).
% 2.00/2.21  ** KEPT (pick-wt=22): 8 [] -relation(A)|A=identity_relation(B)|in(ordered_pair($f2(B,A),$f1(B,A)),A)|$f2(B,A)=$f1(B,A).
% 2.00/2.21  ** KEPT (pick-wt=27): 9 [] -relation(A)|A=identity_relation(B)| -in(ordered_pair($f2(B,A),$f1(B,A)),A)| -in($f2(B,A),B)|$f2(B,A)!=$f1(B,A).
% 2.00/2.21  ** KEPT (pick-wt=18): 10 [] -relation(A)| -function(A)| -in(B,relation_dom(A))|C!=apply(A,B)|in(ordered_pair(B,C),A).
% 2.00/2.21  ** KEPT (pick-wt=18): 11 [] -relation(A)| -function(A)| -in(B,relation_dom(A))|C=apply(A,B)| -in(ordered_pair(B,C),A).
% 2.00/2.21  ** KEPT (pick-wt=16): 12 [] -relation(A)| -function(A)|in(B,relation_dom(A))|C!=apply(A,B)|C=empty_set.
% 2.00/2.21  ** KEPT (pick-wt=16): 13 [] -relation(A)| -function(A)|in(B,relation_dom(A))|C=apply(A,B)|C!=empty_set.
% 2.00/2.21  ** KEPT (pick-wt=3): 14 [] -empty(powerset(A)).
% 2.00/2.21  ** KEPT (pick-wt=4): 15 [] -empty(ordered_pair(A,B)).
% 2.00/2.21  ** KEPT (pick-wt=3): 16 [] -empty(singleton(A)).
% 2.00/2.21  ** KEPT (pick-wt=4): 17 [] -empty(unordered_pair(A,B)).
% 2.00/2.21  ** KEPT (pick-wt=7): 18 [] empty(A)| -relation(A)| -empty(relation_dom(A)).
% 2.00/2.21  ** KEPT (pick-wt=7): 19 [] empty(A)| -relation(A)| -empty(relation_rng(A)).
% 2.00/2.21  ** KEPT (pick-wt=5): 20 [] -empty(A)|empty(relation_dom(A)).
% 2.00/2.21  ** KEPT (pick-wt=5): 21 [] -empty(A)|relation(relation_dom(A)).
% 2.00/2.21  ** KEPT (pick-wt=5): 22 [] -empty(A)|empty(relation_rng(A)).
% 2.00/2.21  ** KEPT (pick-wt=5): 23 [] -empty(A)|relation(relation_rng(A)).
% 2.00/2.21  ** KEPT (pick-wt=5): 24 [] empty(A)| -empty($f4(A)).
% 2.00/2.21  ** KEPT (pick-wt=2): 25 [] -empty($c4).
% 2.00/2.21  ** KEPT (pick-wt=2): 26 [] -empty($c5).
% 2.00/2.21  ** KEPT (pick-wt=6): 27 [] -in(A,B)|element(A,B).
% 2.00/2.21  ** KEPT (pick-wt=8): 28 [] -element(A,B)|empty(B)|in(A,B).
% 2.00/2.21  ** KEPT (pick-wt=12): 30 [copy,29,flip.1] identity_relation($c9)=$c8| -in(A,$c9)|apply($c8,A)=A.
% 2.00/2.21  ** KEPT (pick-wt=11): 32 [copy,31,flip.1] identity_relation($c9)!=$c8|relation_dom($c8)!=$c9|in($c7,$c9).
% 2.00/2.21  ** KEPT (pick-wt=13): 34 [copy,33,flip.1] identity_relation($c9)!=$c8|relation_dom($c8)!=$c9|apply($c8,$c7)!=$c7.
% 2.00/2.21  ** KEPT (pick-wt=7): 35 [] -element(A,powerset(B))|subset(A,B).
% 2.00/2.21  ** KEPT (pick-wt=7): 36 [] element(A,powerset(B))| -subset(A,B).
% 2.00/2.21  ** KEPT (pick-wt=10): 37 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.00/2.21  ** KEPT (pick-wt=9): 38 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.00/2.21  ** KEPT (pick-wt=5): 39 [] -empty(A)|A=empty_set.
% 2.00/2.21  ** KEPT (pick-wt=5): 40 [] -in(A,B)| -empty(B).
% 2.00/2.21  ** KEPT (pick-wt=7): 41 [] -empty(A)|A=B| -empty(B).
% 2.00/2.21  ** KEPT (pick-wt=13): 42 [] -relation(A)| -function(A)| -in(ordered_pair(B,C),A)|in(B,relation_dom(A)).
% 2.00/2.21  ** KEPT (pick-wt=14): 43 [] -relation(A)| -function(A)| -in(ordered_pair(B,C),A)|C=apply(A,B).
% 2.00/2.21    Following clause subsumed by 10 during input processing: 0 [] -relation(A)| -function(A)|in(ordered_pair(B,C),A)| -in(B,relation_dom(A))|C!=apply(A,B).
% 2.00/2.21  43 back subsumes 11.
% 2.00/2.21  
% 2.00/2.21  ------------> process sos:
% 2.00/2.21  ** KEPT (pick-wt=3): 47 [] A=A.
% 2.00/2.21  ** KEPT (pick-wt=7): 48 [] unordered_pair(A,B)=unordered_pair(B,A).
% 2.00/2.21  ** KEPT (pick-wt=10): 50 [copy,49,flip.1] unordered_pair(unordered_pair(A,B),singleton(A))=ordered_pair(A,B).
% 2.00/2.21  ---> New Demodulator: 51 [new_demod,50] unordered_pair(unordered_pair(A,B),singleton(A))=ordered_pair(A,B).
% 2.00/2.21  ** KEPT (pick-wt=3): 52 [] relation(identity_relation(A)).
% 2.00/2.21  ** KEPT (pick-wt=4): 53 [] element($f3(A),A).
% 2.00/2.21  ** KEPT (pick-wt=2): 54 [] empty(empty_set).
% 2.00/2.21  ** KEPT (pick-wt=2): 55 [] relation(empty_set).
% 2.00/2.21  ** KEPT (pick-wt=2): 56 [] relation_empty_yielding(empty_set).
% 2.00/2.21    Following clause subsumed by 54 during input processing: 0 [] empty(empty_set).
% 2.00/2.21    Following clause subsumed by 52 during input processing: 0 [] relation(identity_relation(A)).
% 2.00/2.21  ** KEPT (pick-wt=3): 57 [] function(identity_relation(A)).
% 2.00/2.21    Following clause subsumed by 54 during input processing: 0 [] empty(empty_set).
% 2.00/2.21    Following clause subsumed by 55 during input processing: 0 [] relation(empty_set).
% 2.00/2.21  ** KEPT (pick-wt=2): 58 [] relation($c1).
% 2.00/2.21  ** KEPT (pick-wt=2): 59 [] function($c1).
% 2.00/2.21  ** KEPT (pick-wt=2): 60 [] empty($c2).
% 2.00/2.21  ** KEPT (pick-wt=2): 61 [] relation($c2).
% 2.00/2.21  ** KEPT (pick-wt=7): 62 [] empty(A)|element($f4(A),powerset(A)).
% 2.00/2.21  ** KEPT (pick-wt=2): 63 [] empty($c3).
% 2.00/2.21  ** KEPT (pick-wt=2): 64 [] relation($c4).
% 2.00/2.21  ** KEPT (pick-wt=5): 65 [] element($f5(A),powerset(A)).
% 2.00/2.21  ** KEPT (pick-wt=3): 66 [] empty($f5(A)).
% 2.00/2.21  ** KEPT (pick-wt=2): 67 [] relation($c6).
% 2.00/2.21  ** KEPT (pick-wt=2): 68 [] relation_empty_yielding($c6).
% 2.00/2.21  ** KEPT (pick-wt=3): 69 [] subset(A,A).
% 2.00/2.21  ** KEPT (pick-wt=2): 70 [] relation($c8).
% 2.00/2.21  ** KEPT (pick-wt=2): 71 [] function($c8).
% 2.00/2.21  ** KEPT (pick-wt=8): 73 [copy,72,flip.1] identity_relation($c9)=$c8|relation_dom($c8)=$c9.
% 2.00/2.21  ** KEPT (pick-wt=5): 74 [] relation_dom(identity_relation(A))=A.
% 2.00/2.21  ---> New Demodulator: 75 [new_demod,74] relation_dom(identity_relation(A))=A.
% 2.00/2.21  ** KEPT (pick-wt=5): 76 [] relation_rng(identity_relation(A))=A.
% 2.00/2.21  ---> New Demodulator: 77 [new_demod,76] relation_rng(identity_relation(A))=A.
% 2.00/2.21    Following clause subsumed by 47 during input processing: 0 [copy,47,flip.1] A=A.
% 2.00/2.21  47 back subsumes 46.
% 2.00/2.21    Following clause subsumed by 48 during input processing: 0 [copy,48,flip.1] unordered_pair(A,B)=unordered_pair(B,A).
% 2.00/2.21  >>>> Starting back demodulation with 51.
% 43.67/43.85  >>>> Starting back demodulation with 75.
% 43.67/43.85  >>>> Starting back demodulation with 77.
% 43.67/43.85  
% 43.67/43.85  ======= end of input processing =======
% 43.67/43.85  
% 43.67/43.85  =========== start of search ===========
% 43.67/43.85  
% 43.67/43.85  
% 43.67/43.85  Resetting weight limit to 8.
% 43.67/43.85  
% 43.67/43.85  
% 43.67/43.85  Resetting weight limit to 8.
% 43.67/43.85  
% 43.67/43.85  sos_size=608
% 43.67/43.85  
% 43.67/43.85  
% 43.67/43.85  Resetting weight limit to 7.
% 43.67/43.85  
% 43.67/43.85  
% 43.67/43.85  Resetting weight limit to 7.
% 43.67/43.85  
% 43.67/43.85  sos_size=670
% 43.67/43.85  
% 43.67/43.85  Search stopped because sos empty.
% 43.67/43.85  
% 43.67/43.85  
% 43.67/43.85  Search stopped because sos empty.
% 43.67/43.85  
% 43.67/43.85  ============ end of search ============
% 43.67/43.85  
% 43.67/43.85  -------------- statistics -------------
% 43.67/43.85  clauses given                971
% 43.67/43.85  clauses generated        2499722
% 43.67/43.85  clauses kept                1109
% 43.67/43.85  clauses forward subsumed    4902
% 43.67/43.85  clauses back subsumed         36
% 43.67/43.85  Kbytes malloced             8789
% 43.67/43.85  
% 43.67/43.85  ----------- times (seconds) -----------
% 43.67/43.85  user CPU time         41.63          (0 hr, 0 min, 41 sec)
% 43.67/43.85  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 43.67/43.85  wall-clock time       43             (0 hr, 0 min, 43 sec)
% 43.67/43.85  
% 43.67/43.85  Process 5045 finished Wed Jul 27 08:10:16 2022
% 43.67/43.85  Otter interrupted
% 43.67/43.85  PROOF NOT FOUND
%------------------------------------------------------------------------------