TSTP Solution File: SEU175+1 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SEU175+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n015.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 13:15:03 EDT 2022

% Result   : Timeout 295.90s 296.11s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SEU175+1 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13  % Command  : otter-tptp-script %s
% 0.13/0.34  % Computer : n015.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 300
% 0.13/0.34  % DateTime : Wed Jul 27 08:05:12 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 2.15/2.32  ----- Otter 3.3f, August 2004 -----
% 2.15/2.32  The process was started by sandbox on n015.cluster.edu,
% 2.15/2.32  Wed Jul 27 08:05:12 2022
% 2.15/2.32  The command was "./otter".  The process ID is 17012.
% 2.15/2.32  
% 2.15/2.32  set(prolog_style_variables).
% 2.15/2.32  set(auto).
% 2.15/2.32     dependent: set(auto1).
% 2.15/2.32     dependent: set(process_input).
% 2.15/2.32     dependent: clear(print_kept).
% 2.15/2.32     dependent: clear(print_new_demod).
% 2.15/2.32     dependent: clear(print_back_demod).
% 2.15/2.32     dependent: clear(print_back_sub).
% 2.15/2.32     dependent: set(control_memory).
% 2.15/2.32     dependent: assign(max_mem, 12000).
% 2.15/2.32     dependent: assign(pick_given_ratio, 4).
% 2.15/2.32     dependent: assign(stats_level, 1).
% 2.15/2.32     dependent: assign(max_seconds, 10800).
% 2.15/2.32  clear(print_given).
% 2.15/2.32  
% 2.15/2.32  formula_list(usable).
% 2.15/2.32  all A (A=A).
% 2.15/2.32  all A B (in(A,B)-> -in(B,A)).
% 2.15/2.32  all A B (A=B<->subset(A,B)&subset(B,A)).
% 2.15/2.32  all A B ((A!=empty_set-> (B=set_meet(A)<-> (all C (in(C,B)<-> (all D (in(D,A)->in(C,D)))))))& (A=empty_set-> (B=set_meet(A)<->B=empty_set))).
% 2.15/2.32  all A B (subset(A,B)<-> (all C (in(C,A)->in(C,B)))).
% 2.15/2.32  all A (cast_to_subset(A)=A).
% 2.15/2.32  all A B (B=union(A)<-> (all C (in(C,B)<-> (exists D (in(C,D)&in(D,A)))))).
% 2.15/2.32  all A B C (C=set_difference(A,B)<-> (all D (in(D,C)<->in(D,A)& -in(D,B)))).
% 2.15/2.32  all A B (element(B,powerset(A))->subset_complement(A,B)=set_difference(A,B)).
% 2.15/2.32  all A B (element(B,powerset(powerset(A)))-> (all C (element(C,powerset(powerset(A)))-> (C=complements_of_subsets(A,B)<-> (all D (element(D,powerset(A))-> (in(D,C)<->in(subset_complement(A,D),B)))))))).
% 2.15/2.32  $T.
% 2.15/2.32  $T.
% 2.15/2.32  $T.
% 2.15/2.32  all A element(cast_to_subset(A),powerset(A)).
% 2.15/2.32  all A B (element(B,powerset(A))->element(subset_complement(A,B),powerset(A))).
% 2.15/2.32  $T.
% 2.15/2.32  $T.
% 2.15/2.32  all A B (element(B,powerset(powerset(A)))->element(union_of_subsets(A,B),powerset(A))).
% 2.15/2.32  all A B (element(B,powerset(powerset(A)))->element(meet_of_subsets(A,B),powerset(A))).
% 2.15/2.32  all A B C (element(B,powerset(A))&element(C,powerset(A))->element(subset_difference(A,B,C),powerset(A))).
% 2.15/2.32  all A B (element(B,powerset(powerset(A)))->element(complements_of_subsets(A,B),powerset(powerset(A)))).
% 2.15/2.32  $T.
% 2.15/2.32  all A exists B element(B,A).
% 2.15/2.32  all A (-empty(powerset(A))).
% 2.15/2.32  empty(empty_set).
% 2.15/2.32  all A B (element(B,powerset(A))->subset_complement(A,subset_complement(A,B))=B).
% 2.15/2.32  all A B (element(B,powerset(powerset(A)))->complements_of_subsets(A,complements_of_subsets(A,B))=B).
% 2.15/2.32  all A (-empty(A)-> (exists B (element(B,powerset(A))& -empty(B)))).
% 2.15/2.32  exists A empty(A).
% 2.15/2.32  all A exists B (element(B,powerset(A))&empty(B)).
% 2.15/2.32  exists A (-empty(A)).
% 2.15/2.32  all A B (element(B,powerset(powerset(A)))->union_of_subsets(A,B)=union(B)).
% 2.15/2.32  all A B (element(B,powerset(powerset(A)))->meet_of_subsets(A,B)=set_meet(B)).
% 2.15/2.32  all A B C (element(B,powerset(A))&element(C,powerset(A))->subset_difference(A,B,C)=set_difference(B,C)).
% 2.15/2.32  all A B subset(A,A).
% 2.15/2.32  all A B (in(A,B)->element(A,B)).
% 2.15/2.32  all A B (element(A,B)->empty(B)|in(A,B)).
% 2.15/2.32  all A (set_difference(A,empty_set)=A).
% 2.15/2.32  all A B (element(A,powerset(B))<->subset(A,B)).
% 2.15/2.32  all A B (element(B,powerset(powerset(A)))-> -(B!=empty_set&complements_of_subsets(A,B)=empty_set)).
% 2.15/2.32  -(all A B (element(B,powerset(powerset(A)))-> (B!=empty_set->subset_difference(A,cast_to_subset(A),union_of_subsets(A,B))=meet_of_subsets(A,complements_of_subsets(A,B))))).
% 2.15/2.32  all A (set_difference(empty_set,A)=empty_set).
% 2.15/2.32  all A B C (in(A,B)&element(B,powerset(C))->element(A,C)).
% 2.15/2.32  all A B C (-(in(A,B)&element(B,powerset(C))&empty(C))).
% 2.15/2.32  all A (empty(A)->A=empty_set).
% 2.15/2.32  all A B (-(in(A,B)&empty(B))).
% 2.15/2.32  all A B (-(empty(A)&A!=B&empty(B))).
% 2.15/2.32  end_of_list.
% 2.15/2.32  
% 2.15/2.32  -------> usable clausifies to:
% 2.15/2.32  
% 2.15/2.32  list(usable).
% 2.15/2.32  0 [] A=A.
% 2.15/2.32  0 [] -in(A,B)| -in(B,A).
% 2.15/2.32  0 [] A!=B|subset(A,B).
% 2.15/2.32  0 [] A!=B|subset(B,A).
% 2.15/2.32  0 [] A=B| -subset(A,B)| -subset(B,A).
% 2.15/2.32  0 [] A=empty_set|B!=set_meet(A)| -in(C,B)| -in(D,A)|in(C,D).
% 2.15/2.32  0 [] A=empty_set|B!=set_meet(A)|in(C,B)|in($f1(A,B,C),A).
% 2.15/2.32  0 [] A=empty_set|B!=set_meet(A)|in(C,B)| -in(C,$f1(A,B,C)).
% 2.15/2.32  0 [] A=empty_set|B=set_meet(A)|in($f3(A,B),B)| -in(X1,A)|in($f3(A,B),X1).
% 2.15/2.32  0 [] A=empty_set|B=set_meet(A)| -in($f3(A,B),B)|in($f2(A,B),A).
% 2.15/2.32  0 [] A=empty_set|B=set_meet(A)| -in($f3(A,B),B)| -in($f3(A,B),$f2(A,B)).
% 2.15/2.32  0 [] A!=empty_set|B!=set_meet(A)|B=empty_set.
% 2.15/2.32  0 [] A!=empty_set|B=set_meet(A)|B!=empty_set.
% 2.15/2.32  0 [] -subset(A,B)| -in(C,A)|in(C,B).
% 2.15/2.32  0 [] subset(A,B)|in($f4(A,B),A).
% 2.15/2.32  0 [] subset(A,B)| -in($f4(A,B),B).
% 2.15/2.32  0 [] cast_to_subset(A)=A.
% 2.15/2.33  0 [] B!=union(A)| -in(C,B)|in(C,$f5(A,B,C)).
% 2.15/2.33  0 [] B!=union(A)| -in(C,B)|in($f5(A,B,C),A).
% 2.15/2.33  0 [] B!=union(A)|in(C,B)| -in(C,D)| -in(D,A).
% 2.15/2.33  0 [] B=union(A)|in($f7(A,B),B)|in($f7(A,B),$f6(A,B)).
% 2.15/2.33  0 [] B=union(A)|in($f7(A,B),B)|in($f6(A,B),A).
% 2.15/2.33  0 [] B=union(A)| -in($f7(A,B),B)| -in($f7(A,B),X2)| -in(X2,A).
% 2.15/2.33  0 [] C!=set_difference(A,B)| -in(D,C)|in(D,A).
% 2.15/2.33  0 [] C!=set_difference(A,B)| -in(D,C)| -in(D,B).
% 2.15/2.33  0 [] C!=set_difference(A,B)|in(D,C)| -in(D,A)|in(D,B).
% 2.15/2.33  0 [] C=set_difference(A,B)|in($f8(A,B,C),C)|in($f8(A,B,C),A).
% 2.15/2.33  0 [] C=set_difference(A,B)|in($f8(A,B,C),C)| -in($f8(A,B,C),B).
% 2.15/2.33  0 [] C=set_difference(A,B)| -in($f8(A,B,C),C)| -in($f8(A,B,C),A)|in($f8(A,B,C),B).
% 2.15/2.33  0 [] -element(B,powerset(A))|subset_complement(A,B)=set_difference(A,B).
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))| -element(C,powerset(powerset(A)))|C!=complements_of_subsets(A,B)| -element(D,powerset(A))| -in(D,C)|in(subset_complement(A,D),B).
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))| -element(C,powerset(powerset(A)))|C!=complements_of_subsets(A,B)| -element(D,powerset(A))|in(D,C)| -in(subset_complement(A,D),B).
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))| -element(C,powerset(powerset(A)))|C=complements_of_subsets(A,B)|element($f9(A,B,C),powerset(A)).
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))| -element(C,powerset(powerset(A)))|C=complements_of_subsets(A,B)|in($f9(A,B,C),C)|in(subset_complement(A,$f9(A,B,C)),B).
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))| -element(C,powerset(powerset(A)))|C=complements_of_subsets(A,B)| -in($f9(A,B,C),C)| -in(subset_complement(A,$f9(A,B,C)),B).
% 2.15/2.33  0 [] $T.
% 2.15/2.33  0 [] $T.
% 2.15/2.33  0 [] $T.
% 2.15/2.33  0 [] element(cast_to_subset(A),powerset(A)).
% 2.15/2.33  0 [] -element(B,powerset(A))|element(subset_complement(A,B),powerset(A)).
% 2.15/2.33  0 [] $T.
% 2.15/2.33  0 [] $T.
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))|element(union_of_subsets(A,B),powerset(A)).
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))|element(meet_of_subsets(A,B),powerset(A)).
% 2.15/2.33  0 [] -element(B,powerset(A))| -element(C,powerset(A))|element(subset_difference(A,B,C),powerset(A)).
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))|element(complements_of_subsets(A,B),powerset(powerset(A))).
% 2.15/2.33  0 [] $T.
% 2.15/2.33  0 [] element($f10(A),A).
% 2.15/2.33  0 [] -empty(powerset(A)).
% 2.15/2.33  0 [] empty(empty_set).
% 2.15/2.33  0 [] -element(B,powerset(A))|subset_complement(A,subset_complement(A,B))=B.
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))|complements_of_subsets(A,complements_of_subsets(A,B))=B.
% 2.15/2.33  0 [] empty(A)|element($f11(A),powerset(A)).
% 2.15/2.33  0 [] empty(A)| -empty($f11(A)).
% 2.15/2.33  0 [] empty($c1).
% 2.15/2.33  0 [] element($f12(A),powerset(A)).
% 2.15/2.33  0 [] empty($f12(A)).
% 2.15/2.33  0 [] -empty($c2).
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))|union_of_subsets(A,B)=union(B).
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))|meet_of_subsets(A,B)=set_meet(B).
% 2.15/2.33  0 [] -element(B,powerset(A))| -element(C,powerset(A))|subset_difference(A,B,C)=set_difference(B,C).
% 2.15/2.33  0 [] subset(A,A).
% 2.15/2.33  0 [] -in(A,B)|element(A,B).
% 2.15/2.33  0 [] -element(A,B)|empty(B)|in(A,B).
% 2.15/2.33  0 [] set_difference(A,empty_set)=A.
% 2.15/2.33  0 [] -element(A,powerset(B))|subset(A,B).
% 2.15/2.33  0 [] element(A,powerset(B))| -subset(A,B).
% 2.15/2.33  0 [] -element(B,powerset(powerset(A)))|B=empty_set|complements_of_subsets(A,B)!=empty_set.
% 2.15/2.33  0 [] element($c3,powerset(powerset($c4))).
% 2.15/2.33  0 [] $c3!=empty_set.
% 2.15/2.33  0 [] subset_difference($c4,cast_to_subset($c4),union_of_subsets($c4,$c3))!=meet_of_subsets($c4,complements_of_subsets($c4,$c3)).
% 2.15/2.33  0 [] set_difference(empty_set,A)=empty_set.
% 2.15/2.33  0 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 2.15/2.33  0 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 2.15/2.33  0 [] -empty(A)|A=empty_set.
% 2.15/2.33  0 [] -in(A,B)| -empty(B).
% 2.15/2.33  0 [] -empty(A)|A=B| -empty(B).
% 2.15/2.33  end_of_list.
% 2.15/2.33  
% 2.15/2.33  SCAN INPUT: prop=0, horn=0, equality=1, symmetry=0, max_lits=6.
% 2.15/2.33  
% 2.15/2.33  This ia a non-Horn set with equality.  The strategy will be
% 2.15/2.33  Knuth-Bendix, ordered hyper_res, factoring, and unit
% 2.15/2.33  deletion, with positive clauses in sos and nonpositive
% 2.15/2.33  clauses in usable.
% 2.15/2.33  
% 2.15/2.33     dependent: set(knuth_bendix).
% 2.15/2.33     dependent: set(anl_eq).
% 2.15/2.33     dependent: set(para_from).
% 2.15/2.33     dependent: set(para_into).
% 2.15/2.33     dependent: clear(para_from_right).
% 2.15/2.33     dependent: clear(para_into_right).
% 2.15/2.33     dependent: set(para_from_vars).
% 2.15/2.33     dependent: set(eq_units_both_ways).
% 2.15/2.33     dependent: set(dynamic_demod_all).
% 2.15/2.33     dependent: set(dynamic_demod).
% 2.15/2.33     dependent: set(order_eq).
% 2.15/2.33     dependent: set(back_demod).
% 2.15/2.33     dependent: set(lrpo).
% 2.15/2.33     dependent: set(hyper_res).
% 2.15/2.33     dependent: set(unit_deletion).
% 2.15/2.33     dependent: set(factor).
% 2.15/2.33  
% 2.15/2.33  ------------> process usable:
% 2.15/2.33  ** KEPT (pick-wt=6): 1 [] -in(A,B)| -in(B,A).
% 2.15/2.33  ** KEPT (pick-wt=6): 2 [] A!=B|subset(A,B).
% 2.15/2.33  ** KEPT (pick-wt=6): 3 [] A!=B|subset(B,A).
% 2.15/2.33  ** KEPT (pick-wt=9): 4 [] A=B| -subset(A,B)| -subset(B,A).
% 2.15/2.33  ** KEPT (pick-wt=16): 5 [] A=empty_set|B!=set_meet(A)| -in(C,B)| -in(D,A)|in(C,D).
% 2.15/2.33  ** KEPT (pick-wt=16): 6 [] A=empty_set|B!=set_meet(A)|in(C,B)|in($f1(A,B,C),A).
% 2.15/2.33  ** KEPT (pick-wt=16): 7 [] A=empty_set|B!=set_meet(A)|in(C,B)| -in(C,$f1(A,B,C)).
% 2.15/2.33  ** KEPT (pick-wt=20): 8 [] A=empty_set|B=set_meet(A)|in($f3(A,B),B)| -in(C,A)|in($f3(A,B),C).
% 2.15/2.33  ** KEPT (pick-wt=17): 9 [] A=empty_set|B=set_meet(A)| -in($f3(A,B),B)|in($f2(A,B),A).
% 2.15/2.33  ** KEPT (pick-wt=19): 10 [] A=empty_set|B=set_meet(A)| -in($f3(A,B),B)| -in($f3(A,B),$f2(A,B)).
% 2.15/2.33  ** KEPT (pick-wt=10): 11 [] A!=empty_set|B!=set_meet(A)|B=empty_set.
% 2.15/2.33  ** KEPT (pick-wt=10): 12 [] A!=empty_set|B=set_meet(A)|B!=empty_set.
% 2.15/2.33  ** KEPT (pick-wt=9): 13 [] -subset(A,B)| -in(C,A)|in(C,B).
% 2.15/2.33  ** KEPT (pick-wt=8): 14 [] subset(A,B)| -in($f4(A,B),B).
% 2.15/2.33  ** KEPT (pick-wt=13): 15 [] A!=union(B)| -in(C,A)|in(C,$f5(B,A,C)).
% 2.15/2.33  ** KEPT (pick-wt=13): 16 [] A!=union(B)| -in(C,A)|in($f5(B,A,C),B).
% 2.15/2.33  ** KEPT (pick-wt=13): 17 [] A!=union(B)|in(C,A)| -in(C,D)| -in(D,B).
% 2.15/2.33  ** KEPT (pick-wt=17): 18 [] A=union(B)| -in($f7(B,A),A)| -in($f7(B,A),C)| -in(C,B).
% 2.15/2.33  ** KEPT (pick-wt=11): 19 [] A!=set_difference(B,C)| -in(D,A)|in(D,B).
% 2.15/2.33  ** KEPT (pick-wt=11): 20 [] A!=set_difference(B,C)| -in(D,A)| -in(D,C).
% 2.15/2.33  ** KEPT (pick-wt=14): 21 [] A!=set_difference(B,C)|in(D,A)| -in(D,B)|in(D,C).
% 2.15/2.33  ** KEPT (pick-wt=17): 22 [] A=set_difference(B,C)|in($f8(B,C,A),A)| -in($f8(B,C,A),C).
% 2.15/2.33  ** KEPT (pick-wt=23): 23 [] A=set_difference(B,C)| -in($f8(B,C,A),A)| -in($f8(B,C,A),B)|in($f8(B,C,A),C).
% 2.15/2.33  ** KEPT (pick-wt=11): 24 [] -element(A,powerset(B))|subset_complement(B,A)=set_difference(B,A).
% 2.15/2.33  ** KEPT (pick-wt=27): 25 [] -element(A,powerset(powerset(B)))| -element(C,powerset(powerset(B)))|C!=complements_of_subsets(B,A)| -element(D,powerset(B))| -in(D,C)|in(subset_complement(B,D),A).
% 2.15/2.33  ** KEPT (pick-wt=27): 26 [] -element(A,powerset(powerset(B)))| -element(C,powerset(powerset(B)))|C!=complements_of_subsets(B,A)| -element(D,powerset(B))|in(D,C)| -in(subset_complement(B,D),A).
% 2.15/2.33  ** KEPT (pick-wt=22): 27 [] -element(A,powerset(powerset(B)))| -element(C,powerset(powerset(B)))|C=complements_of_subsets(B,A)|element($f9(B,A,C),powerset(B)).
% 2.15/2.33  ** KEPT (pick-wt=29): 28 [] -element(A,powerset(powerset(B)))| -element(C,powerset(powerset(B)))|C=complements_of_subsets(B,A)|in($f9(B,A,C),C)|in(subset_complement(B,$f9(B,A,C)),A).
% 2.15/2.33  ** KEPT (pick-wt=29): 29 [] -element(A,powerset(powerset(B)))| -element(C,powerset(powerset(B)))|C=complements_of_subsets(B,A)| -in($f9(B,A,C),C)| -in(subset_complement(B,$f9(B,A,C)),A).
% 2.15/2.33  ** KEPT (pick-wt=10): 30 [] -element(A,powerset(B))|element(subset_complement(B,A),powerset(B)).
% 2.15/2.33  ** KEPT (pick-wt=11): 31 [] -element(A,powerset(powerset(B)))|element(union_of_subsets(B,A),powerset(B)).
% 2.15/2.33  ** KEPT (pick-wt=11): 32 [] -element(A,powerset(powerset(B)))|element(meet_of_subsets(B,A),powerset(B)).
% 2.15/2.33  ** KEPT (pick-wt=15): 33 [] -element(A,powerset(B))| -element(C,powerset(B))|element(subset_difference(B,A,C),powerset(B)).
% 2.15/2.33  ** KEPT (pick-wt=12): 34 [] -element(A,powerset(powerset(B)))|element(complements_of_subsets(B,A),powerset(powerset(B))).
% 2.15/2.33  ** KEPT (pick-wt=3): 35 [] -empty(powerset(A)).
% 2.15/2.33  ** KEPT (pick-wt=11): 36 [] -element(A,powerset(B))|subset_complement(B,subset_complement(B,A))=A.
% 2.15/2.33  ** KEPT (pick-wt=12): 37 [] -element(A,powerset(powerset(B)))|complements_of_subsets(B,complements_of_subsets(B,A))=A.
% 2.15/2.33  ** KEPT (pick-wt=5): 38 [] empty(A)| -empty($f11(A)).
% 2.15/2.33  ** KEPT (pick-wt=2): 39 [] -empty($c2).
% 2.15/2.33  ** KEPT (pick-wt=11): 40 [] -element(A,powerset(powerset(B)))|union_of_subsets(B,A)=union(A).
% 2.15/2.33  ** KEPT (pick-wt=11): 41 [] -element(A,powerset(powerset(B)))|meet_of_subsets(B,A)=set_meet(A).
% 2.15/2.33  ** KEPT (pick-wt=16): 42 [] -element(A,powerset(B))| -element(C,powerset(B))|subset_difference(B,A,C)=set_difference(A,C).
% 295.90/296.11  ** KEPT (pick-wt=6): 43 [] -in(A,B)|element(A,B).
% 295.90/296.11  ** KEPT (pick-wt=8): 44 [] -element(A,B)|empty(B)|in(A,B).
% 295.90/296.11  ** KEPT (pick-wt=7): 45 [] -element(A,powerset(B))|subset(A,B).
% 295.90/296.11  ** KEPT (pick-wt=7): 46 [] element(A,powerset(B))| -subset(A,B).
% 295.90/296.11  ** KEPT (pick-wt=13): 47 [] -element(A,powerset(powerset(B)))|A=empty_set|complements_of_subsets(B,A)!=empty_set.
% 295.90/296.11  ** KEPT (pick-wt=3): 49 [copy,48,flip.1] empty_set!=$c3.
% 295.90/296.11  ** KEPT (pick-wt=13): 50 [] subset_difference($c4,cast_to_subset($c4),union_of_subsets($c4,$c3))!=meet_of_subsets($c4,complements_of_subsets($c4,$c3)).
% 295.90/296.11  ** KEPT (pick-wt=10): 51 [] -in(A,B)| -element(B,powerset(C))|element(A,C).
% 295.90/296.11  ** KEPT (pick-wt=9): 52 [] -in(A,B)| -element(B,powerset(C))| -empty(C).
% 295.90/296.11  ** KEPT (pick-wt=5): 53 [] -empty(A)|A=empty_set.
% 295.90/296.11  ** KEPT (pick-wt=5): 54 [] -in(A,B)| -empty(B).
% 295.90/296.11  ** KEPT (pick-wt=7): 55 [] -empty(A)|A=B| -empty(B).
% 295.90/296.11  
% 295.90/296.11  ------------> process sos:
% 295.90/296.11  ** KEPT (pick-wt=3): 73 [] A=A.
% 295.90/296.11  ** KEPT (pick-wt=8): 74 [] subset(A,B)|in($f4(A,B),A).
% 295.90/296.11  ** KEPT (pick-wt=4): 75 [] cast_to_subset(A)=A.
% 295.90/296.11  ---> New Demodulator: 76 [new_demod,75] cast_to_subset(A)=A.
% 295.90/296.11  ** KEPT (pick-wt=16): 77 [] A=union(B)|in($f7(B,A),A)|in($f7(B,A),$f6(B,A)).
% 295.90/296.11  ** KEPT (pick-wt=14): 78 [] A=union(B)|in($f7(B,A),A)|in($f6(B,A),B).
% 295.90/296.11  ** KEPT (pick-wt=17): 79 [] A=set_difference(B,C)|in($f8(B,C,A),A)|in($f8(B,C,A),B).
% 295.90/296.11  ** KEPT (pick-wt=4): 81 [copy,80,demod,76] element(A,powerset(A)).
% 295.90/296.11  ** KEPT (pick-wt=4): 82 [] element($f10(A),A).
% 295.90/296.11  ** KEPT (pick-wt=2): 83 [] empty(empty_set).
% 295.90/296.11  ** KEPT (pick-wt=7): 84 [] empty(A)|element($f11(A),powerset(A)).
% 295.90/296.11  ** KEPT (pick-wt=2): 85 [] empty($c1).
% 295.90/296.11  ** KEPT (pick-wt=5): 86 [] element($f12(A),powerset(A)).
% 295.90/296.11  ** KEPT (pick-wt=3): 87 [] empty($f12(A)).
% 295.90/296.11  ** KEPT (pick-wt=3): 88 [] subset(A,A).
% 295.90/296.11  ** KEPT (pick-wt=5): 89 [] set_difference(A,empty_set)=A.
% 295.90/296.11  ---> New Demodulator: 90 [new_demod,89] set_difference(A,empty_set)=A.
% 295.90/296.11  ** KEPT (pick-wt=5): 91 [] element($c3,powerset(powerset($c4))).
% 295.90/296.11  ** KEPT (pick-wt=5): 92 [] set_difference(empty_set,A)=empty_set.
% 295.90/296.11  ---> New Demodulator: 93 [new_demod,92] set_difference(empty_set,A)=empty_set.
% 295.90/296.11    Following clause subsumed by 73 during input processing: 0 [copy,73,flip.1] A=A.
% 295.90/296.11  73 back subsumes 72.
% 295.90/296.11  73 back subsumes 57.
% 295.90/296.11  >>>> Starting back demodulation with 76.
% 295.90/296.11      >> back demodulating 50 with 76.
% 295.90/296.11  >>>> Starting back demodulation with 90.
% 295.90/296.11  >>>> Starting back demodulation with 93.
% 295.90/296.11  
% 295.90/296.11  ======= end of input processing =======
% 295.90/296.11  
% 295.90/296.11  =========== start of search ===========
% 295.90/296.11  
% 295.90/296.11  
% 295.90/296.11  Resetting weight limit to 8.
% 295.90/296.11  
% 295.90/296.11  
% 295.90/296.11  Resetting weight limit to 8.
% 295.90/296.11  
% 295.90/296.11  sos_size=648
% 295.90/296.11  
% 295.90/296.11  
% 295.90/296.11  Resetting weight limit to 7.
% 295.90/296.11  
% 295.90/296.11  
% 295.90/296.11  Resetting weight limit to 7.
% 295.90/296.11  
% 295.90/296.11  sos_size=670
% 295.90/296.11  
% 295.90/296.11  Search stopped because sos empty.
% 295.90/296.11  
% 295.90/296.11  
% 295.90/296.11  Search stopped because sos empty.
% 295.90/296.11  
% 295.90/296.11  ============ end of search ============
% 295.90/296.11  
% 295.90/296.11  -------------- statistics -------------
% 295.90/296.11  clauses given                943
% 295.90/296.11  clauses generated        5619362
% 295.90/296.11  clauses kept                1117
% 295.90/296.11  clauses forward subsumed    8936
% 295.90/296.11  clauses back subsumed         51
% 295.90/296.11  Kbytes malloced             8789
% 295.90/296.11  
% 295.90/296.11  ----------- times (seconds) -----------
% 295.90/296.11  user CPU time        293.77          (0 hr, 4 min, 53 sec)
% 295.90/296.11  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 295.90/296.11  wall-clock time      295             (0 hr, 4 min, 55 sec)
% 295.90/296.11  
% 295.90/296.11  Process 17012 finished Wed Jul 27 08:10:07 2022
% 295.90/296.11  Otter interrupted
% 295.90/296.11  PROOF NOT FOUND
%------------------------------------------------------------------------------