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EQP---0.9e.UNK-Non.f

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%------------------------------------------------------------------------------
% File     : EQP---0.9e
% Problem  : SWX237-1 : TPTP v9.3.0. Released v9.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_eqp %s

% Computer : n018.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 : Tue May  5 07:00:13 PM UTC 2026

% Result   : Unknown 20.92s 21.34s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SWX237-1 : TPTP v9.3.0. Released v9.3.0.
% 0.11/0.12  % Command  : tptp2X_and_run_eqp %s
% 0.16/0.33  % Computer : n018.cluster.edu
% 0.16/0.33  % Model    : x86_64 x86_64
% 0.16/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.16/0.33  % Memory   : 8042.1875MB
% 0.16/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.16/0.33  % CPULimit : 300
% 0.16/0.33  % WCLimit  : 300
% 0.16/0.33  % DateTime : Tue May  5 13:14:31 EDT 2026
% 0.16/0.34  % CPUTime  : 
% 0.69/1.10  ----- EQP 0.9e, May 2009 -----
% 0.69/1.10  The job began on n018.cluster.edu, Tue May  5 13:14:32 2026
% 0.69/1.10  The command was "./eqp09e".
% 0.69/1.10  
% 0.69/1.10  set(prolog_style_variables).
% 0.69/1.10  set(lrpo).
% 0.69/1.10  set(basic_paramod).
% 0.69/1.10  set(functional_subsume).
% 0.69/1.10  set(ordered_paramod).
% 0.69/1.10  set(prime_paramod).
% 0.69/1.10  set(para_pairs).
% 0.69/1.10  assign(pick_given_ratio,4).
% 0.69/1.10  clear(print_kept).
% 0.69/1.10  clear(print_new_demod).
% 0.69/1.10  clear(print_back_demod).
% 0.69/1.10  clear(print_given).
% 0.69/1.10  assign(max_mem,64000).
% 0.69/1.10  end_of_commands.
% 0.69/1.10  
% 0.69/1.10  Usable:
% 0.69/1.10  end_of_list.
% 0.69/1.10  
% 0.69/1.10  Sos:
% 0.69/1.10  0 (wt=-1) [] aux(A,B,btrue) = eps.
% 0.69/1.10  0 (wt=-1) [] aux(A,B,bfalse) = nil4.
% 0.69/1.10  0 (wt=-1) [] aux2(A,B,C,btrue) = x(y(step(B,A),C),step(C,A)).
% 0.69/1.10  0 (wt=-1) [] aux2(A,B,C,bfalse) = x(y(step(B,A),C),nil4).
% 0.69/1.10  0 (wt=-1) [] aux3(A,B,C,btrue) = rec(y(A,star(A)),cons2(B,C)).
% 0.69/1.10  0 (wt=-1) [] aux3(A,B,C,bfalse) = bfalse.
% 0.69/1.10  0 (wt=-1) [] z(nil4,A) = nil4.
% 0.69/1.10  0 (wt=-1) [] z(eps,A) = A.
% 0.69/1.10  0 (wt=-1) [] z(atom(A),nil4) = nil4.
% 0.69/1.10  0 (wt=-1) [] z(atom(A),eps) = atom(A).
% 0.69/1.10  0 (wt=-1) [] z(atom(A),atom(B)) = y(atom(A),atom(B)).
% 0.69/1.10  0 (wt=-1) [] z(atom(A),x(B,C)) = y(atom(A),x(B,C)).
% 0.69/1.10  0 (wt=-1) [] z(atom(A),y(B,C)) = y(atom(A),y(B,C)).
% 0.69/1.10  0 (wt=-1) [] z(atom(A),star(B)) = y(atom(A),star(B)).
% 0.69/1.10  0 (wt=-1) [] z(x(A,B),nil4) = nil4.
% 0.69/1.10  0 (wt=-1) [] z(x(A,B),eps) = x(A,B).
% 0.69/1.10  0 (wt=-1) [] z(x(A,B),atom(C)) = y(x(A,B),atom(C)).
% 0.69/1.10  0 (wt=-1) [] z(x(A,B),x(C,D)) = y(x(A,B),x(C,D)).
% 0.69/1.10  0 (wt=-1) [] z(x(A,B),y(C,D)) = y(x(A,B),y(C,D)).
% 0.69/1.10  0 (wt=-1) [] z(x(A,B),star(C)) = y(x(A,B),star(C)).
% 0.69/1.10  0 (wt=-1) [] z(y(A,B),nil4) = nil4.
% 0.69/1.10  0 (wt=-1) [] z(y(A,B),eps) = y(A,B).
% 0.69/1.10  0 (wt=-1) [] z(y(A,B),atom(C)) = y(y(A,B),atom(C)).
% 0.69/1.10  0 (wt=-1) [] z(y(A,B),x(C,D)) = y(y(A,B),x(C,D)).
% 0.69/1.10  0 (wt=-1) [] z(y(A,B),y(C,D)) = y(y(A,B),y(C,D)).
% 0.69/1.10  0 (wt=-1) [] z(y(A,B),star(C)) = y(y(A,B),star(C)).
% 0.69/1.10  0 (wt=-1) [] z(star(A),nil4) = nil4.
% 0.69/1.10  0 (wt=-1) [] z(star(A),eps) = star(A).
% 0.69/1.10  0 (wt=-1) [] z(star(A),atom(B)) = y(star(A),atom(B)).
% 0.69/1.10  0 (wt=-1) [] z(star(A),x(B,C)) = y(star(A),x(B,C)).
% 0.69/1.10  0 (wt=-1) [] z(star(A),y(B,C)) = y(star(A),y(B,C)).
% 0.69/1.10  0 (wt=-1) [] z(star(A),star(B)) = y(star(A),star(B)).
% 0.69/1.10  0 (wt=-1) [] x2(nil4,A) = A.
% 0.69/1.10  0 (wt=-1) [] x2(eps,nil4) = eps.
% 0.69/1.10  0 (wt=-1) [] x2(eps,eps) = x(eps,eps).
% 0.69/1.10  0 (wt=-1) [] x2(eps,atom(A)) = x(eps,atom(A)).
% 0.69/1.10  0 (wt=-1) [] x2(eps,x(A,B)) = x(eps,x(A,B)).
% 0.69/1.10  0 (wt=-1) [] x2(eps,y(A,B)) = x(eps,y(A,B)).
% 0.69/1.10  0 (wt=-1) [] x2(eps,star(A)) = x(eps,star(A)).
% 0.69/1.10  0 (wt=-1) [] x2(atom(A),nil4) = atom(A).
% 0.69/1.10  0 (wt=-1) [] x2(atom(A),eps) = x(atom(A),eps).
% 0.69/1.10  0 (wt=-1) [] x2(atom(A),atom(B)) = x(atom(A),atom(B)).
% 0.69/1.10  0 (wt=-1) [] x2(atom(A),x(B,C)) = x(atom(A),x(B,C)).
% 0.69/1.10  0 (wt=-1) [] x2(atom(A),y(B,C)) = x(atom(A),y(B,C)).
% 0.69/1.10  0 (wt=-1) [] x2(atom(A),star(B)) = x(atom(A),star(B)).
% 0.69/1.10  0 (wt=-1) [] x2(x(A,B),nil4) = x(A,B).
% 0.69/1.10  0 (wt=-1) [] x2(x(A,B),eps) = x(x(A,B),eps).
% 0.69/1.10  0 (wt=-1) [] x2(x(A,B),atom(C)) = x(x(A,B),atom(C)).
% 0.69/1.10  0 (wt=-1) [] x2(x(A,B),x(C,D)) = x(x(A,B),x(C,D)).
% 0.69/1.10  0 (wt=-1) [] x2(x(A,B),y(C,D)) = x(x(A,B),y(C,D)).
% 0.69/1.10  0 (wt=-1) [] x2(x(A,B),star(C)) = x(x(A,B),star(C)).
% 0.69/1.10  0 (wt=-1) [] x2(y(A,B),nil4) = y(A,B).
% 0.69/1.10  0 (wt=-1) [] x2(y(A,B),eps) = x(y(A,B),eps).
% 0.69/1.10  0 (wt=-1) [] x2(y(A,B),atom(C)) = x(y(A,B),atom(C)).
% 0.69/1.10  0 (wt=-1) [] x2(y(A,B),x(C,D)) = x(y(A,B),x(C,D)).
% 0.69/1.10  0 (wt=-1) [] x2(y(A,B),y(C,D)) = x(y(A,B),y(C,D)).
% 0.69/1.10  0 (wt=-1) [] x2(y(A,B),star(C)) = x(y(A,B),star(C)).
% 0.69/1.10  0 (wt=-1) [] x2(star(A),nil4) = star(A).
% 0.69/1.10  0 (wt=-1) [] x2(star(A),eps) = x(star(A),eps).
% 0.69/1.10  0 (wt=-1) [] x2(star(A),atom(B)) = x(star(A),atom(B)).
% 0.69/1.10  0 (wt=-1) [] x2(star(A),x(B,C)) = x(star(A),x(B,C)).
% 0.69/1.10  0 (wt=-1) [] x2(star(A),y(B,C)) = x(star(A),y(B,C)).
% 0.69/1.10  0 (wt=-1) [] x2(star(A),star(B)) = x(star(A),star(B)).
% 0.69/1.10  0 (wt=-1) [] splits(A,nil) = nil.
% 0.69/1.10  0 (wt=-1) [] splits(A,cons(pair2(B,C),D)) = cons(pair2(cons2(A,B),C),splits(A,D)).
% 0.69/1.10  0 (wt=-1) [] splits2(nil2) = cons(pair2(nil2,nil2),nil).
% 0.69/1.10  0 (wt=-1) [] splits2(cons2(A,B)) = cons(pair2(nil2,cons2(A,B)),splits(A,splits2(B))).
% 0.69/1.10  0 (wt=-1) [] orb(btrue,A) = btrue.
% 0.69/1.10  0 (wt=-1) [] orb(bfalse,A) = A.
% 0.69/1.10  0 (wt=-1) [] or2(nil3) = bfalse.
% 0.69/1.10  0 (wt=-1) [] or2(cons3(A,B)) = orb(A,or2(B)).
% 0.69/1.10  0 (wt=-1) [] notb(btrue) = bfalse.
% 0.69/1.10  0 (wt=-1) [] notb(bfalse) = btrue.
% 0.69/1.10  0 (wt=-1) [] andb(btrue,A) = A.
% 0.69/1.10  0 (wt=-1) [] andb(bfalse,A) = bfalse.
% 0.69/1.10  0 (wt=-1) [] eps2(eps) = btrue.
% 0.69/1.10  0 (wt=-1) [] eps2(x(A,B)) = orb(eps2(A),eps2(B)).
% 0.69/1.10  0 (wt=-1) [] eps2(y(A,B)) = andb(eps2(A),eps2(B)).
% 0.69/1.10  0 (wt=-1) [] eps2(star(A)) = btrue.
% 0.69/1.10  0 (wt=-1) [] eps2(nil4) = bfalse.
% 0.69/1.10  0 (wt=-1) [] eps2(atom(A)) = bfalse.
% 0.69/1.10  0 (wt=-1) [] step(atom(A),B) = aux(B,A,eq(A,B)).
% 0.69/1.10  0 (wt=-1) [] step(x(A,B),C) = x(step(A,C),step(B,C)).
% 0.69/1.10  0 (wt=-1) [] step(y(A,B),C) = aux2(C,A,B,eps2(A)).
% 0.69/1.10  0 (wt=-1) [] step(star(A),B) = y(step(A,B),star(A)).
% 0.69/1.10  0 (wt=-1) [] step(nil4,A) = nil4.
% 0.69/1.10  0 (wt=-1) [] step(eps,A) = nil4.
% 0.69/1.10  0 (wt=-1) [] rec(A,nil2) = eps2(A).
% 0.69/1.10  0 (wt=-1) [] rec(A,cons2(B,C)) = rec(step(A,B),C).
% 0.69/1.10  0 (wt=-1) [] reck(A,B,nil) = nil3.
% 0.69/1.10  0 (wt=-1) [] reck(A,B,cons(pair2(C,D),E)) = cons3(andb(reck2(A,C),rec(B,D)),reck(A,B,E)).
% 0.69/1.10  0 (wt=-1) [] reck2(nil4,A) = bfalse.
% 0.69/1.10  0 (wt=-1) [] reck2(eps,nil2) = btrue.
% 0.69/1.10  0 (wt=-1) [] reck2(eps,cons2(A,B)) = bfalse.
% 0.69/1.10  0 (wt=-1) [] reck2(atom(A),nil2) = bfalse.
% 0.69/1.10  0 (wt=-1) [] reck2(atom(A),cons2(B,nil2)) = eq(A,B).
% 0.69/1.10  0 (wt=-1) [] reck2(atom(A),cons2(B,cons2(C,D))) = bfalse.
% 0.69/1.10  0 (wt=-1) [] reck2(x(A,B),C) = orb(reck2(A,C),reck2(B,C)).
% 0.69/1.10  0 (wt=-1) [] reck2(y(A,B),C) = or2(reck(A,B,splits2(C))).
% 0.69/1.10  0 (wt=-1) [] reck2(star(A),nil2) = btrue.
% 0.69/1.10  0 (wt=-1) [] reck2(star(A),cons2(B,C)) = aux3(A,B,C,notb(eps2(A))).
% 0.69/1.10  0 (wt=-1) [] prop_kfind4(A) = notb(reck2(A,cons2(a,cons2(b,cons2(b,cons2(a,nil2)))))).
% 0.69/1.10  0 (wt=-1) [] eq(a,b) = bfalse.
% 0.69/1.10  0 (wt=-1) [] eq(a,c) = bfalse.
% 0.69/1.10  0 (wt=-1) [] eq(b,a) = bfalse.
% 0.69/1.10  0 (wt=-1) [] eq(b,c) = bfalse.
% 0.69/1.10  0 (wt=-1) [] eq(c,a) = bfalse.
% 0.69/1.10  0 (wt=-1) [] eq(c,b) = bfalse.
% 0.69/1.10  0 (wt=-1) [] eq2(bfalse,btrue) = bfalse.
% 0.69/1.10  0 (wt=-1) [] eq2(btrue,bfalse) = bfalse.
% 0.69/1.10  0 (wt=-1) [] eq(A,A) = btrue.
% 0.69/1.10  0 (wt=-1) [] eq2(A,A) = btrue.
% 0.69/1.10  0 (wt=-1) [] -(eq2(prop_kfind4(A),bfalse) = btrue).
% 0.69/1.10  end_of_list.
% 0.69/1.10  
% 0.69/1.10  Demodulators:
% 0.69/1.10  end_of_list.
% 0.69/1.10  
% 0.69/1.10  Passive:
% 0.69/1.10  end_of_list.
% 0.69/1.10  
% 0.69/1.10  Starting to process input.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 1 (wt=6) [] aux(A,B,btrue) = eps.
% 0.69/1.10  1 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 2 (wt=6) [] aux(A,B,bfalse) = nil4.
% 0.69/1.10  2 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 3 (wt=15) [flip(1)] x(y(step(A,B),C),step(C,B)) = aux2(B,A,C,btrue).
% 0.69/1.10  3 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 4 (wt=13) [flip(1)] x(y(step(A,B),C),nil4) = aux2(B,A,C,bfalse).
% 0.69/1.10  4 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 5 (wt=14) [flip(1)] rec(y(A,star(A)),cons2(B,C)) = aux3(A,B,C,btrue).
% 0.69/1.10  5 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 6 (wt=7) [] aux3(A,B,C,bfalse) = bfalse.
% 0.69/1.10  6 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 7 (wt=5) [] z(nil4,A) = nil4.
% 0.69/1.10  7 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 8 (wt=5) [] z(eps,A) = A.
% 0.69/1.10  8 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 9 (wt=6) [] z(atom(A),nil4) = nil4.
% 0.69/1.10  9 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 10 (wt=7) [] z(atom(A),eps) = atom(A).
% 0.69/1.10  10 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 11 (wt=11) [] z(atom(A),atom(B)) = y(atom(A),atom(B)).
% 0.69/1.10  11 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 12 (wt=13) [] z(atom(A),x(B,C)) = y(atom(A),x(B,C)).
% 0.69/1.10  12 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 13 (wt=13) [] z(atom(A),y(B,C)) = y(atom(A),y(B,C)).
% 0.69/1.10  13 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 14 (wt=11) [] z(atom(A),star(B)) = y(atom(A),star(B)).
% 0.69/1.10  14 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 15 (wt=7) [] z(x(A,B),nil4) = nil4.
% 0.69/1.10  15 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 16 (wt=9) [] z(x(A,B),eps) = x(A,B).
% 0.69/1.10  16 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 17 (wt=13) [] z(x(A,B),atom(C)) = y(x(A,B),atom(C)).
% 0.69/1.10  17 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 18 (wt=15) [] z(x(A,B),x(C,D)) = y(x(A,B),x(C,D)).
% 0.69/1.10  18 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 19 (wt=15) [] z(x(A,B),y(C,D)) = y(x(A,B),y(C,D)).
% 0.69/1.10  19 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 20 (wt=13) [] z(x(A,B),star(C)) = y(x(A,B),star(C)).
% 0.69/1.10  20 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 21 (wt=7) [] z(y(A,B),nil4) = nil4.
% 0.69/1.10  21 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 22 (wt=9) [] z(y(A,B),eps) = y(A,B).
% 0.69/1.10  22 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 23 (wt=13) [] z(y(A,B),atom(C)) = y(y(A,B),atom(C)).
% 0.69/1.10  23 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 24 (wt=15) [] z(y(A,B),x(C,D)) = y(y(A,B),x(C,D)).
% 0.69/1.10  24 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 25 (wt=15) [] z(y(A,B),y(C,D)) = y(y(A,B),y(C,D)).
% 0.69/1.10  25 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 26 (wt=13) [] z(y(A,B),star(C)) = y(y(A,B),star(C)).
% 0.69/1.10  26 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 27 (wt=6) [] z(star(A),nil4) = nil4.
% 0.69/1.10  27 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 28 (wt=7) [] z(star(A),eps) = star(A).
% 0.69/1.10  28 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 29 (wt=11) [] z(star(A),atom(B)) = y(star(A),atom(B)).
% 0.69/1.10  29 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 30 (wt=13) [] z(star(A),x(B,C)) = y(star(A),x(B,C)).
% 0.69/1.10  30 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 31 (wt=13) [] z(star(A),y(B,C)) = y(star(A),y(B,C)).
% 0.69/1.10  31 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 32 (wt=11) [] z(star(A),star(B)) = y(star(A),star(B)).
% 0.69/1.10  32 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 33 (wt=5) [] x2(nil4,A) = A.
% 0.69/1.10  33 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 34 (wt=5) [] x2(eps,nil4) = eps.
% 0.69/1.10  34 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 35 (wt=7) [] x2(eps,eps) = x(eps,eps).
% 0.69/1.10  35 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 36 (wt=9) [] x2(eps,atom(A)) = x(eps,atom(A)).
% 0.69/1.10  36 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 37 (wt=11) [] x2(eps,x(A,B)) = x(eps,x(A,B)).
% 0.69/1.10  37 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 38 (wt=11) [] x2(eps,y(A,B)) = x(eps,y(A,B)).
% 0.69/1.10  38 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 39 (wt=9) [] x2(eps,star(A)) = x(eps,star(A)).
% 0.69/1.10  39 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 40 (wt=7) [] x2(atom(A),nil4) = atom(A).
% 0.69/1.10  40 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 41 (wt=9) [] x2(atom(A),eps) = x(atom(A),eps).
% 0.69/1.10  41 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 42 (wt=11) [] x2(atom(A),atom(B)) = x(atom(A),atom(B)).
% 0.69/1.10  42 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 43 (wt=13) [] x2(atom(A),x(B,C)) = x(atom(A),x(B,C)).
% 0.69/1.10  43 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 44 (wt=13) [] x2(atom(A),y(B,C)) = x(atom(A),y(B,C)).
% 0.69/1.10  44 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 45 (wt=11) [] x2(atom(A),star(B)) = x(atom(A),star(B)).
% 0.69/1.10  45 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 46 (wt=9) [] x2(x(A,B),nil4) = x(A,B).
% 0.69/1.10  46 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 47 (wt=11) [] x2(x(A,B),eps) = x(x(A,B),eps).
% 0.69/1.10  47 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 48 (wt=13) [] x2(x(A,B),atom(C)) = x(x(A,B),atom(C)).
% 0.69/1.10  48 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 49 (wt=15) [] x2(x(A,B),x(C,D)) = x(x(A,B),x(C,D)).
% 0.69/1.10  49 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 50 (wt=15) [] x2(x(A,B),y(C,D)) = x(x(A,B),y(C,D)).
% 0.69/1.10  50 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 51 (wt=13) [] x2(x(A,B),star(C)) = x(x(A,B),star(C)).
% 0.69/1.10  51 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 52 (wt=9) [] x2(y(A,B),nil4) = y(A,B).
% 0.69/1.10  52 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 53 (wt=11) [] x2(y(A,B),eps) = x(y(A,B),eps).
% 0.69/1.10  53 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 54 (wt=13) [] x2(y(A,B),atom(C)) = x(y(A,B),atom(C)).
% 0.69/1.10  54 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 55 (wt=15) [] x2(y(A,B),x(C,D)) = x(y(A,B),x(C,D)).
% 0.69/1.10  55 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 56 (wt=15) [] x2(y(A,B),y(C,D)) = x(y(A,B),y(C,D)).
% 0.69/1.10  56 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 57 (wt=13) [] x2(y(A,B),star(C)) = x(y(A,B),star(C)).
% 0.69/1.10  57 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 58 (wt=7) [] x2(star(A),nil4) = star(A).
% 0.69/1.10  58 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 59 (wt=9) [] x2(star(A),eps) = x(star(A),eps).
% 0.69/1.10  59 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 60 (wt=11) [] x2(star(A),atom(B)) = x(star(A),atom(B)).
% 0.69/1.10  60 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 61 (wt=13) [] x2(star(A),x(B,C)) = x(star(A),x(B,C)).
% 0.69/1.10  61 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 62 (wt=13) [] x2(star(A),y(B,C)) = x(star(A),y(B,C)).
% 0.69/1.10  62 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 63 (wt=11) [] x2(star(A),star(B)) = x(star(A),star(B)).
% 0.69/1.10  63 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 64 (wt=5) [] splits(A,nil) = nil.
% 0.69/1.10  64 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 65 (wt=17) [] splits(A,cons(pair2(B,C),D)) = cons(pair2(cons2(A,B),C),splits(A,D)).
% 0.69/1.10  65 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 66 (wt=8) [] splits2(nil2) = cons(pair2(nil2,nil2),nil).
% 0.69/1.10  66 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 67 (wt=15) [] splits2(cons2(A,B)) = cons(pair2(nil2,cons2(A,B)),splits(A,splits2(B))).
% 0.69/1.10  67 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 68 (wt=5) [] orb(btrue,A) = btrue.
% 0.69/1.10  68 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 69 (wt=5) [] orb(bfalse,A) = A.
% 0.69/1.10  69 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 70 (wt=4) [] or2(nil3) = bfalse.
% 0.69/1.10  70 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 71 (wt=9) [] or2(cons3(A,B)) = orb(A,or2(B)).
% 0.69/1.10  71 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 72 (wt=4) [] notb(btrue) = bfalse.
% 0.69/1.10  72 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 73 (wt=4) [] notb(bfalse) = btrue.
% 0.69/1.10  73 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 74 (wt=5) [] andb(btrue,A) = A.
% 0.69/1.10  74 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 75 (wt=5) [] andb(bfalse,A) = bfalse.
% 0.69/1.10  75 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 76 (wt=4) [] eps2(eps) = btrue.
% 0.69/1.10  76 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 77 (wt=10) [] eps2(x(A,B)) = orb(eps2(A),eps2(B)).
% 0.69/1.10  77 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 78 (wt=10) [] eps2(y(A,B)) = andb(eps2(A),eps2(B)).
% 0.69/1.10  78 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 79 (wt=5) [] eps2(star(A)) = btrue.
% 0.69/1.10  79 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 80 (wt=4) [] eps2(nil4) = bfalse.
% 0.69/1.10  80 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 81 (wt=5) [] eps2(atom(A)) = bfalse.
% 0.69/1.10  81 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 82 (wt=11) [] step(atom(A),B) = aux(B,A,eq(A,B)).
% 0.69/1.10  82 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 83 (wt=13) [flip(1)] x(step(A,B),step(C,B)) = step(x(A,C),B).
% 0.69/1.10  83 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 84 (wt=12) [] step(y(A,B),C) = aux2(C,A,B,eps2(A)).
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 85 (wt=12) [flip(84)] aux2(A,B,C,eps2(B)) = step(y(B,C),A).
% 0.69/1.10  clause forward subsumed: 0 (wt=12) [flip(85)] step(y(B,C),A) = aux2(A,B,C,eps2(B)).
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 86 (wt=11) [flip(1)] y(step(A,B),star(A)) = step(star(A),B).
% 0.69/1.10  86 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 87 (wt=5) [] step(nil4,A) = nil4.
% 0.69/1.10  87 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 88 (wt=5) [] step(eps,A) = nil4.
% 0.69/1.10  88 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 89 (wt=6) [flip(1)] eps2(A) = rec(A,nil2).
% 0.69/1.10  89 is a new demodulator.
% 0.69/1.10      -> 89 back demodulating 85.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 90 (wt=13) [back_demod(85),demod([89]),flip(1)] step(y(A,B),C) = aux2(C,A,B,rec(A,nil2)).
% 0.69/1.10  90 is a new demodulator.
% 0.69/1.10      -> 90 back demodulating 84.
% 0.69/1.10  clause forward subsumed: 0 (wt=15) [back_demod(84),demod([90,89])] aux2(C,A,B,rec(A,nil2)) = aux2(C,A,B,rec(A,nil2)).
% 0.69/1.10      -> 89 back demodulating 81.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 91 (wt=6) [back_demod(81),demod([89])] rec(atom(A),nil2) = bfalse.
% 0.69/1.10  91 is a new demodulator.
% 0.69/1.10      -> 89 back demodulating 80.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 92 (wt=5) [back_demod(80),demod([89])] rec(nil4,nil2) = bfalse.
% 0.69/1.10  92 is a new demodulator.
% 0.69/1.10      -> 89 back demodulating 79.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 93 (wt=6) [back_demod(79),demod([89])] rec(star(A),nil2) = btrue.
% 0.69/1.10  93 is a new demodulator.
% 0.69/1.10      -> 89 back demodulating 78.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 94 (wt=13) [back_demod(78),demod([89,89,89])] rec(y(A,B),nil2) = andb(rec(A,nil2),rec(B,nil2)).
% 0.69/1.10  94 is a new demodulator.
% 0.69/1.10      -> 89 back demodulating 77.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 95 (wt=13) [back_demod(77),demod([89,89,89])] rec(x(A,B),nil2) = orb(rec(A,nil2),rec(B,nil2)).
% 0.69/1.10  95 is a new demodulator.
% 0.69/1.10      -> 89 back demodulating 76.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 96 (wt=5) [back_demod(76),demod([89])] rec(eps,nil2) = btrue.
% 0.69/1.10  96 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 97 (wt=11) [flip(1)] rec(step(A,B),C) = rec(A,cons2(B,C)).
% 0.69/1.10  97 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 98 (wt=6) [] reck(A,B,nil) = nil3.
% 0.69/1.10  98 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 99 (wt=21) [] reck(A,B,cons(pair2(C,D),E)) = cons3(andb(reck2(A,C),rec(B,D)),reck(A,B,E)).
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 100 (wt=21) [flip(99)] cons3(andb(reck2(A,B),rec(C,D)),reck(A,C,E)) = reck(A,C,cons(pair2(B,D),E)).
% 0.69/1.10  clause forward subsumed: 0 (wt=21) [flip(100)] reck(A,C,cons(pair2(B,D),E)) = cons3(andb(reck2(A,B),rec(C,D)),reck(A,C,E)).
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 101 (wt=5) [] reck2(nil4,A) = bfalse.
% 0.69/1.10  101 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 102 (wt=5) [] reck2(eps,nil2) = btrue.
% 0.69/1.10  102 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 103 (wt=7) [] reck2(eps,cons2(A,B)) = bfalse.
% 0.69/1.10  103 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 104 (wt=6) [] reck2(atom(A),nil2) = bfalse.
% 0.69/1.10  104 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 105 (wt=10) [] reck2(atom(A),cons2(B,nil2)) = eq(A,B).
% 0.69/1.10  105 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 106 (wt=10) [] reck2(atom(A),cons2(B,cons2(C,D))) = bfalse.
% 0.69/1.10  106 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 107 (wt=13) [] reck2(x(A,B),C) = orb(reck2(A,C),reck2(B,C)).
% 0.69/1.10  107 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 108 (wt=12) [flip(1)] or2(reck(A,B,splits2(C))) = reck2(y(A,B),C).
% 0.69/1.10  108 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 109 (wt=6) [] reck2(star(A),nil2) = btrue.
% 0.69/1.10  109 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 110 (wt=15) [demod([89])] reck2(star(A),cons2(B,C)) = aux3(A,B,C,notb(rec(A,nil2))).
% 0.69/1.10  110 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 111 (wt=15) [] prop_kfind4(A) = notb(reck2(A,cons2(a,cons2(b,cons2(b,cons2(a,nil2)))))).
% 0.69/1.10  111 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 112 (wt=5) [] eq(a,b) = bfalse.
% 0.69/1.10  112 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 113 (wt=5) [] eq(a,c) = bfalse.
% 0.69/1.10  113 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 114 (wt=5) [] eq(b,a) = bfalse.
% 0.69/1.10  114 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 115 (wt=5) [] eq(b,c) = bfalse.
% 0.69/1.10  115 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 116 (wt=5) [] eq(c,a) = bfalse.
% 0.69/1.10  116 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 117 (wt=5) [] eq(c,b) = bfalse.
% 0.69/1.10  117 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 118 (wt=5) [] eq2(bfalse,btrue) = bfalse.
% 0.69/1.10  118 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 119 (wt=5) [] eq2(btrue,bfalse) = bfalse.
% 0.69/1.10  119 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 120 (wt=5) [] eq(A,A) = btrue.
% 0.69/1.10  120 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 121 (wt=5) [] eq2(A,A) = btrue.
% 0.69/1.10  121 is a new demodulator.
% 0.69/1.10  
% 0.69/1.10  ** KEPT: 122 (wt=16) [demod([111])] -(eq2(notb(reck2(A,cons2(a,cons2(b,cons2(b,cons2(a,nil2)))))),bfalse) = btrue).
% 0.69/1.10  
% 0.69/1.10  After processing input:
% 0.69/1.10  
% 0.69/1.10  Usable:
% 0.69/1.10  end_of_list.
% 0.69/1.10  
% 0.69/1.10  Sos:
% 0.69/1.10  70 (wt=4) [] or2(nil3) = bfalse.
% 0.69/1.10  72 (wt=4) [] notb(btrue) = bfalse.
% 0.69/1.10  73 (wt=4) [] notb(bfalse) = btrue.
% 0.69/1.10  7 (wt=5) [] z(nil4,A) = nil4.
% 0.69/1.10  8 (wt=5) [] z(eps,A) = A.
% 0.69/1.10  33 (wt=5) [] x2(nil4,A) = A.
% 0.69/1.10  34 (wt=5) [] x2(eps,nil4) = eps.
% 0.69/1.10  64 (wt=5) [] splits(A,nil) = nil.
% 0.69/1.10  68 (wt=5) [] orb(btrue,A) = btrue.
% 0.69/1.10  69 (wt=5) [] orb(bfalse,A) = A.
% 0.69/1.10  74 (wt=5) [] andb(btrue,A) = A.
% 0.69/1.10  75 (wt=5) [] andb(bfalse,A) = bfalse.
% 0.69/1.10  87 (wt=5) [] step(nil4,A) = nil4.
% 0.69/1.10  88 (wt=5) [] step(eps,A) = nil4.
% 0.69/1.10  92 (wt=5) [back_demod(80),demod([89])] rec(nil4,nil2) = bfalse.
% 0.69/1.10  96 (wt=5) [back_demod(76),demod([89])] rec(eps,nil2) = btrue.
% 0.69/1.10  101 (wt=5) [] reck2(nil4,A) = bfalse.
% 0.69/1.10  102 (wt=5) [] reck2(eps,nil2) = btrue.
% 0.69/1.10  112 (wt=5) [] eq(a,b) = bfalse.
% 0.69/1.10  113 (wt=5) [] eq(a,c) = bfalse.
% 0.69/1.10  114 (wt=5) [] eq(b,a) = bfalse.
% 0.69/1.10  115 (wt=5) [] eq(b,c) = bfalse.
% 0.69/1.10  116 (wt=5) [] eq(c,a) = bfalse.
% 0.69/1.10  117 (wt=5) [] eq(c,b) = bfalse.
% 0.69/1.10  118 (wt=5) [] eq2(bfalse,btrue) = bfalse.
% 0.69/1.10  119 (wt=5) [] eq2(btrue,bfalse) = bfalse.
% 0.69/1.10  120 (wt=5) [] eq(A,A) = btrue.
% 0.69/1.10  121 (wt=5) [] eq2(A,A) = btrue.
% 0.69/1.10  1 (wt=6) [] aux(A,B,btrue) = eps.
% 0.69/1.10  2 (wt=6) [] aux(A,B,bfalse) = nil4.
% 0.69/1.10  9 (wt=6) [] z(atom(A),nil4) = nil4.
% 0.69/1.10  27 (wt=6) [] z(star(A),nil4) = nil4.
% 0.69/1.10  89 (wt=6) [flip(1)] eps2(A) = rec(A,nil2).
% 0.69/1.10  91 (wt=6) [back_demod(81),demod([89])] rec(atom(A),nil2) = bfalse.
% 0.69/1.10  93 (wt=6) [back_demod(79),demod([89])] rec(star(A),nil2) = btrue.
% 0.69/1.10  98 (wt=6) [] reck(A,B,nil) = nil3.
% 0.69/1.10  104 (wt=6) [] reck2(atom(A),nil2) = bfalse.
% 0.69/1.10  109 (wt=6) [] reck2(star(A),nil2) = btrue.
% 0.69/1.10  6 (wt=7) [] aux3(A,B,C,bfalse) = bfalse.
% 0.69/1.10  10 (wt=7) [] z(atom(A),eps) = atom(A).
% 0.69/1.10  15 (wt=7) [] z(x(A,B),nil4) = nil4.
% 0.69/1.10  21 (wt=7) [] z(y(A,B),nil4) = nil4.
% 0.69/1.10  28 (wt=7) [] z(star(A),eps) = star(A).
% 0.69/1.10  35 (wt=7) [] x2(eps,eps) = x(eps,eps).
% 0.69/1.10  40 (wt=7) [] x2(atom(A),nil4) = atom(A).
% 0.69/1.10  58 (wt=7) [] x2(star(A),nil4) = star(A).
% 0.69/1.10  103 (wt=7) [] reck2(eps,cons2(A,B)) = bfalse.
% 0.69/1.10  66 (wt=8) [] splits2(nil2) = cons(pair2(nil2,nil2),nil).
% 0.69/1.10  16 (wt=9) [] z(x(A,B),eps) = x(A,B).
% 0.69/1.10  22 (wt=9) [] z(y(A,B),eps) = y(A,B).
% 0.69/1.10  36 (wt=9) [] x2(eps,atom(A)) = x(eps,atom(A)).
% 0.69/1.10  39 (wt=9) [] x2(eps,star(A)) = x(eps,star(A)).
% 0.69/1.10  41 (wt=9) [] x2(atom(A),eps) = x(atom(A),eps).
% 0.69/1.10  46 (wt=9) [] x2(x(A,B),nil4) = x(A,B).
% 0.69/1.10  52 (wt=9) [] x2(y(A,B),nil4) = y(A,B).
% 0.69/1.10  59 (wt=9) [] x2(star(A),eps) = x(star(A),eps).
% 0.69/1.10  71 (wt=9) [] or2(cons3(A,B)) = orb(A,or2(B)).
% 0.69/1.10  105 (wt=10) [] reck2(atom(A),cons2(B,nil2)) = eq(A,B).
% 0.69/1.10  106 (wt=10) [] reck2(atom(A),cons2(B,cons2(C,D))) = bfalse.
% 0.69/1.10  11 (wt=11) [] z(atom(A),atom(B)) = y(atom(A),atom(B)).
% 0.69/1.10  14 (wt=11) [] z(atom(A),star(B)) = y(atom(A),star(B)).
% 0.69/1.10  29 (wt=11) [] z(star(A),atom(B)) = y(star(A),atom(B)).
% 0.69/1.10  32 (wt=11) [] z(star(A),star(B)) = y(star(A),star(B)).
% 0.69/1.10  37 (wt=11) [] x2(eps,x(A,B)) = x(eps,x(A,B)).
% 0.69/1.10  38 (wt=11) [] x2(eps,y(A,B)) = x(eps,y(A,B)).
% 0.69/1.10  42 (wt=11) [] x2(atom(A),atom(B)) = x(atom(A),atom(B)).
% 0.69/1.10  45 (wt=11) [] x2(atom(A),star(B)) = x(atom(A),star(B)).
% 0.69/1.10  47 (wt=11) [] x2(x(A,B),eps) = x(x(A,B),eps).
% 0.69/1.11  53 (wt=11) [] x2(y(A,B),eps) = x(y(A,B),eps).
% 0.69/1.11  60 (wt=11) [] x2(star(A),atom(B)) = x(star(A),atom(B)).
% 0.69/1.11  63 (wt=11) [] x2(star(A),star(B)) = x(star(A),star(B)).
% 0.69/1.11  82 (wt=11) [] step(atom(A),B) = aux(B,A,eq(A,B)).
% 0.69/1.11  86 (wt=11) [flip(1)] y(step(A,B),star(A)) = step(star(A),B).
% 0.69/1.11  97 (wt=11) [flip(1)] rec(step(A,B),C) = rec(A,cons2(B,C)).
% 0.69/1.11  108 (wt=12) [flip(1)] or2(reck(A,B,splits2(C))) = reck2(y(A,B),C).
% 0.69/1.11  4 (wt=13) [flip(1)] x(y(step(A,B),C),nil4) = aux2(B,A,C,bfalse).
% 0.69/1.11  12 (wt=13) [] z(atom(A),x(B,C)) = y(atom(A),x(B,C)).
% 0.69/1.11  13 (wt=13) [] z(atom(A),y(B,C)) = y(atom(A),y(B,C)).
% 0.69/1.11  17 (wt=13) [] z(x(A,B),atom(C)) = y(x(A,B),atom(C)).
% 0.69/1.11  20 (wt=13) [] z(x(A,B),star(C)) = y(x(A,B),star(C)).
% 0.69/1.11  23 (wt=13) [] z(y(A,B),atom(C)) = y(y(A,B),atom(C)).
% 0.69/1.11  26 (wt=13) [] z(y(A,B),star(C)) = y(y(A,B),star(C)).
% 0.69/1.11  30 (wt=13) [] z(star(A),x(B,C)) = y(star(A),x(B,C)).
% 0.69/1.11  31 (wt=13) [] z(star(A),y(B,C)) = y(star(A),y(B,C)).
% 0.69/1.11  43 (wt=13) [] x2(atom(A),x(B,C)) = x(atom(A),x(B,C)).
% 0.69/1.11  44 (wt=13) [] x2(atom(A),y(B,C)) = x(atom(A),y(B,C)).
% 0.69/1.11  48 (wt=13) [] x2(x(A,B),atom(C)) = x(x(A,B),atom(C)).
% 0.69/1.11  51 (wt=13) [] x2(x(A,B),star(C)) = x(x(A,B),star(C)).
% 0.69/1.11  54 (wt=13) [] x2(y(A,B),atom(C)) = x(y(A,B),atom(C)).
% 0.69/1.11  57 (wt=13) [] x2(y(A,B),star(C)) = x(y(A,B),star(C)).
% 0.69/1.11  61 (wt=13) [] x2(star(A),x(B,C)) = x(star(A),x(B,C)).
% 0.69/1.11  62 (wt=13) [] x2(star(A),y(B,C)) = x(star(A),y(B,C)).
% 0.69/1.11  83 (wt=13) [flip(1)] x(step(A,B),step(C,B)) = step(x(A,C),B).
% 0.69/1.11  90 (wt=13) [back_demod(85),demod([89]),flip(1)] step(y(A,B),C) = aux2(C,A,B,rec(A,nil2)).
% 0.69/1.11  94 (wt=13) [back_demod(78),demod([89,89,89])] rec(y(A,B),nil2) = andb(rec(A,nil2),rec(B,nil2)).
% 0.69/1.11  95 (wt=13) [back_demod(77),demod([89,89,89])] rec(x(A,B),nil2) = orb(rec(A,nil2),rec(B,nil2)).
% 0.69/1.11  107 (wt=13) [] reck2(x(A,B),C) = orb(reck2(A,C),reck2(B,C)).
% 0.69/1.11  5 (wt=14) [flip(1)] rec(y(A,star(A)),cons2(B,C)) = aux3(A,B,C,btrue).
% 0.69/1.11  3 (wt=15) [flip(1)] x(y(step(A,B),C),step(C,B)) = aux2(B,A,C,btrue).
% 0.69/1.11  18 (wt=15) [] z(x(A,B),x(C,D)) = y(x(A,B),x(C,D)).
% 0.69/1.11  19 (wt=15) [] z(x(A,B),y(C,D)) = y(x(A,B),y(C,D)).
% 0.69/1.11  24 (wt=15) [] z(y(A,B),x(C,D)) = y(y(A,B),x(C,D)).
% 0.69/1.11  25 (wt=15) [] z(y(A,B),y(C,D)) = y(y(A,B),y(C,D)).
% 0.69/1.11  49 (wt=15) [] x2(x(A,B),x(C,D)) = x(x(A,B),x(C,D)).
% 0.69/1.11  50 (wt=15) [] x2(x(A,B),y(C,D)) = x(x(A,B),y(C,D)).
% 0.69/1.11  55 (wt=15) [] x2(y(A,B),x(C,D)) = x(y(A,B),x(C,D)).
% 0.69/1.11  56 (wt=15) [] x2(y(A,B),y(C,D)) = x(y(A,B),y(C,D)).
% 0.69/1.11  67 (wt=15) [] splits2(cons2(A,B)) = cons(pair2(nil2,cons2(A,B)),splits(A,splits2(B))).
% 0.69/1.11  110 (wt=15) [demod([89])] reck2(star(A),cons2(B,C)) = aux3(A,B,C,notb(rec(A,nil2))).
% 0.69/1.11  111 (wt=15) [] prop_kfind4(A) = notb(reck2(A,cons2(a,cons2(b,cons2(b,cons2(a,nil2)))))).
% 0.69/1.11  122 (wt=16) [demod([111])] -(eq2(notb(reck2(A,cons2(a,cons2(b,cons2(b,cons2(a,nil2)))))),bfalse) = btrue).
% 0.69/1.11  65 (wt=17) [] splits(A,cons(pair2(B,C),D)) = cons(pair2(cons2(A,B),C),splits(A,D)).
% 0.69/1.11  99 (wt=21) [] reck(A,B,cons(pair2(C,D),E)) = cons3(andb(reck2(A,C),rec(B,D)),reck(A,B,E)).
% 0.69/1.11  100 (wt=21) [flip(99)] cons3(andb(reck2(A,B),rec(C,D)),reck(A,C,E)) = reck(A,C,cons(pair2(B,D),E)).
% 0.69/1.11  end_of_list.
% 0.69/1.11  
% 0.69/1.11  Demodulators:
% 0.69/1.11  1 (wt=6) [] aux(A,B,btrue) = eps.
% 0.69/1.11  2 (wt=6) [] aux(A,B,bfalse) = nil4.
% 0.69/1.11  3 (wt=15) [flip(1)] x(y(step(A,B),C),step(C,B)) = aux2(B,A,C,btrue).
% 0.69/1.11  4 (wt=13) [flip(1)] x(y(step(A,B),C),nil4) = aux2(B,A,C,bfalse).
% 0.69/1.11  5 (wt=14) [flip(1)] rec(y(A,star(A)),cons2(B,C)) = aux3(A,B,C,btrue).
% 0.69/1.11  6 (wt=7) [] aux3(A,B,C,bfalse) = bfalse.
% 0.69/1.11  7 (wt=5) [] z(nil4,A) = nil4.
% 0.69/1.11  8 (wt=5) [] z(eps,A) = A.
% 0.69/1.11  9 (wt=6) [] z(atom(A),nil4) = nil4.
% 0.69/1.11  10 (wt=7) [] z(atom(A),eps) = atom(A).
% 0.69/1.11  11 (wt=11) [] z(atom(A),atom(B)) = y(atom(A),atom(B)).
% 0.69/1.11  12 (wt=13) [] z(atom(A),x(B,C)) = y(atom(A),x(B,C)).
% 0.69/1.11  13 (wt=13) [] z(atom(A),y(B,C)) = y(atom(A),y(B,C)).
% 0.69/1.11  14 (wt=11) [] z(atom(A),star(B)) = y(atom(A),star(B)).
% 0.69/1.11  15 (wt=7) [] z(x(A,B),nil4) = nil4.
% 0.69/1.11  16 (wt=9) [] z(x(A,B),eps) = x(A,B).
% 0.69/1.11  17 (wt=13) [] z(x(A,B),atom(C)) = y(x(A,B),atom(C)).
% 0.69/1.11  18 (wt=15) [] z(x(A,B),x(C,D)) = y(x(A,B),x(C,D)).
% 0.69/1.11  19 (wt=15) [] z(x(A,B),y(C,D)) = y(x(A,B),y(C,D)).
% 0.69/1.11  20 (wt=13) [] z(x(A,B),star(C)) = y(x(A,B),star(C)).
% 0.69/1.11  21 (wt=7) [] z(y(A,B),nil4) = nil4.
% 0.69/1.11  22 (wt=9) [] z(y(A,B),eps) = y(A,B).
% 0.69/1.11  23 (wt=13) [] z(y(A,B),atom(C)) = y(y(A,B),atom(C)).
% 0.69/1.11  24 (wt=15) [] z(y(A,B),x(C,D)) = y(y(A,B),x(C,D)).
% 0.69/1.11  25 (wt=15) [] z(y(A,B),y(C,D)) = y(y(A,B),y(C,D)).
% 0.69/1.11  26 (wt=13) [] z(y(A,B),star(C)) = y(y(A,B),star(C)).
% 0.69/1.11  27 (wt=6) [] z(star(A),nil4) = nil4.
% 0.69/1.11  28 (wt=7) [] z(star(A),eps) = star(A).
% 0.69/1.11  29 (wt=11) [] z(star(A),atom(B)) = y(star(A),atom(B)).
% 0.69/1.11  30 (wt=13) [] z(star(A),x(B,C)) = y(star(A),x(B,C)).
% 0.69/1.11  31 (wt=13) [] z(star(A),y(B,C)) = y(star(A),y(B,C)).
% 0.69/1.11  32 (wt=11) [] z(star(A),star(B)) = y(star(A),star(B)).
% 0.69/1.11  33 (wt=5) [] x2(nil4,A) = A.
% 0.69/1.11  34 (wt=5) [] x2(eps,nil4) = eps.
% 0.69/1.11  35 (wt=7) [] x2(eps,eps) = x(eps,eps).
% 0.69/1.11  36 (wt=9) [] x2(eps,atom(A)) = x(eps,atom(A)).
% 0.69/1.11  37 (wt=11) [] x2(eps,x(A,B)) = x(eps,x(A,B)).
% 0.69/1.11  38 (wt=11) [] x2(eps,y(A,B)) = x(eps,y(A,B)).
% 0.69/1.11  39 (wt=9) [] x2(eps,star(A)) = x(eps,star(A)).
% 0.69/1.11  40 (wt=7) [] x2(atom(A),nil4) = atom(A).
% 0.69/1.11  41 (wt=9) [] x2(atom(A),eps) = x(atom(A),eps).
% 0.69/1.11  42 (wt=11) [] x2(atom(A),atom(B)) = x(atom(A),atom(B)).
% 0.69/1.11  43 (wt=13) [] x2(atom(A),x(B,C)) = x(atom(A),x(B,C)).
% 0.69/1.11  44 (wt=13) [] x2(atom(A),y(B,C)) = x(atom(A),y(B,C)).
% 0.69/1.11  45 (wt=11) [] x2(atom(A),star(B)) = x(atom(A),star(B)).
% 0.69/1.11  46 (wt=9) [] x2(x(A,B),nil4) = x(A,B).
% 0.69/1.11  47 (wt=11) [] x2(x(A,B),eps) = x(x(A,B),eps).
% 20.92/21.33  48 (wt=13) [] x2(x(A,B),atom(C)) = x(x(A,B),atom(C)).
% 20.92/21.33  49 (wt=15) [] x2(x(A,B),x(C,D)) = x(x(A,B),x(C,D)).
% 20.92/21.33  50 (wt=15) [] x2(x(A,B),y(C,D)) = x(x(A,B),y(C,D)).
% 20.92/21.33  51 (wt=13) [] x2(x(A,B),star(C)) = x(x(A,B),star(C)).
% 20.92/21.33  52 (wt=9) [] x2(y(A,B),nil4) = y(A,B).
% 20.92/21.33  53 (wt=11) [] x2(y(A,B),eps) = x(y(A,B),eps).
% 20.92/21.33  54 (wt=13) [] x2(y(A,B),atom(C)) = x(y(A,B),atom(C)).
% 20.92/21.33  55 (wt=15) [] x2(y(A,B),x(C,D)) = x(y(A,B),x(C,D)).
% 20.92/21.33  56 (wt=15) [] x2(y(A,B),y(C,D)) = x(y(A,B),y(C,D)).
% 20.92/21.33  57 (wt=13) [] x2(y(A,B),star(C)) = x(y(A,B),star(C)).
% 20.92/21.33  58 (wt=7) [] x2(star(A),nil4) = star(A).
% 20.92/21.33  59 (wt=9) [] x2(star(A),eps) = x(star(A),eps).
% 20.92/21.33  60 (wt=11) [] x2(star(A),atom(B)) = x(star(A),atom(B)).
% 20.92/21.33  61 (wt=13) [] x2(star(A),x(B,C)) = x(star(A),x(B,C)).
% 20.92/21.33  62 (wt=13) [] x2(star(A),y(B,C)) = x(star(A),y(B,C)).
% 20.92/21.33  63 (wt=11) [] x2(star(A),star(B)) = x(star(A),star(B)).
% 20.92/21.33  64 (wt=5) [] splits(A,nil) = nil.
% 20.92/21.33  65 (wt=17) [] splits(A,cons(pair2(B,C),D)) = cons(pair2(cons2(A,B),C),splits(A,D)).
% 20.92/21.33  66 (wt=8) [] splits2(nil2) = cons(pair2(nil2,nil2),nil).
% 20.92/21.33  67 (wt=15) [] splits2(cons2(A,B)) = cons(pair2(nil2,cons2(A,B)),splits(A,splits2(B))).
% 20.92/21.33  68 (wt=5) [] orb(btrue,A) = btrue.
% 20.92/21.33  69 (wt=5) [] orb(bfalse,A) = A.
% 20.92/21.33  70 (wt=4) [] or2(nil3) = bfalse.
% 20.92/21.33  71 (wt=9) [] or2(cons3(A,B)) = orb(A,or2(B)).
% 20.92/21.33  72 (wt=4) [] notb(btrue) = bfalse.
% 20.92/21.33  73 (wt=4) [] notb(bfalse) = btrue.
% 20.92/21.33  74 (wt=5) [] andb(btrue,A) = A.
% 20.92/21.33  75 (wt=5) [] andb(bfalse,A) = bfalse.
% 20.92/21.33  82 (wt=11) [] step(atom(A),B) = aux(B,A,eq(A,B)).
% 20.92/21.33  83 (wt=13) [flip(1)] x(step(A,B),step(C,B)) = step(x(A,C),B).
% 20.92/21.33  86 (wt=11) [flip(1)] y(step(A,B),star(A)) = step(star(A),B).
% 20.92/21.33  87 (wt=5) [] step(nil4,A) = nil4.
% 20.92/21.33  88 (wt=5) [] step(eps,A) = nil4.
% 20.92/21.33  89 (wt=6) [flip(1)] eps2(A) = rec(A,nil2).
% 20.92/21.33  90 (wt=13) [back_demod(85),demod([89]),flip(1)] step(y(A,B),C) = aux2(C,A,B,rec(A,nil2)).
% 20.92/21.33  91 (wt=6) [back_demod(81),demod([89])] rec(atom(A),nil2) = bfalse.
% 20.92/21.33  92 (wt=5) [back_demod(80),demod([89])] rec(nil4,nil2) = bfalse.
% 20.92/21.33  93 (wt=6) [back_demod(79),demod([89])] rec(star(A),nil2) = btrue.
% 20.92/21.33  94 (wt=13) [back_demod(78),demod([89,89,89])] rec(y(A,B),nil2) = andb(rec(A,nil2),rec(B,nil2)).
% 20.92/21.33  95 (wt=13) [back_demod(77),demod([89,89,89])] rec(x(A,B),nil2) = orb(rec(A,nil2),rec(B,nil2)).
% 20.92/21.33  96 (wt=5) [back_demod(76),demod([89])] rec(eps,nil2) = btrue.
% 20.92/21.33  97 (wt=11) [flip(1)] rec(step(A,B),C) = rec(A,cons2(B,C)).
% 20.92/21.33  98 (wt=6) [] reck(A,B,nil) = nil3.
% 20.92/21.33  101 (wt=5) [] reck2(nil4,A) = bfalse.
% 20.92/21.33  102 (wt=5) [] reck2(eps,nil2) = btrue.
% 20.92/21.33  103 (wt=7) [] reck2(eps,cons2(A,B)) = bfalse.
% 20.92/21.33  104 (wt=6) [] reck2(atom(A),nil2) = bfalse.
% 20.92/21.33  105 (wt=10) [] reck2(atom(A),cons2(B,nil2)) = eq(A,B).
% 20.92/21.33  106 (wt=10) [] reck2(atom(A),cons2(B,cons2(C,D))) = bfalse.
% 20.92/21.33  107 (wt=13) [] reck2(x(A,B),C) = orb(reck2(A,C),reck2(B,C)).
% 20.92/21.33  108 (wt=12) [flip(1)] or2(reck(A,B,splits2(C))) = reck2(y(A,B),C).
% 20.92/21.33  109 (wt=6) [] reck2(star(A),nil2) = btrue.
% 20.92/21.33  110 (wt=15) [demod([89])] reck2(star(A),cons2(B,C)) = aux3(A,B,C,notb(rec(A,nil2))).
% 20.92/21.33  111 (wt=15) [] prop_kfind4(A) = notb(reck2(A,cons2(a,cons2(b,cons2(b,cons2(a,nil2)))))).
% 20.92/21.33  112 (wt=5) [] eq(a,b) = bfalse.
% 20.92/21.33  113 (wt=5) [] eq(a,c) = bfalse.
% 20.92/21.33  114 (wt=5) [] eq(b,a) = bfalse.
% 20.92/21.33  115 (wt=5) [] eq(b,c) = bfalse.
% 20.92/21.33  116 (wt=5) [] eq(c,a) = bfalse.
% 20.92/21.33  117 (wt=5) [] eq(c,b) = bfalse.
% 20.92/21.33  118 (wt=5) [] eq2(bfalse,btrue) = bfalse.
% 20.92/21.33  119 (wt=5) [] eq2(btrue,bfalse) = bfalse.
% 20.92/21.33  120 (wt=5) [] eq(A,A) = btrue.
% 20.92/21.33  121 (wt=5) [] eq2(A,A) = btrue.
% 20.92/21.33  end_of_list.
% 20.92/21.33  
% 20.92/21.33  Passive:
% 20.92/21.33  end_of_list.
% 20.92/21.33  
% 20.92/21.33  ------------- memory usage ------------
% 20.92/21.33  Memory dynamically allocated (tp_alloc): 63964.
% 20.92/21.33    type (bytes each)        gets      frees     in use      avail      bytes
% 20.92/21.33  sym_ent (  96)              106          0        106          0      9.9 K
% 20.92/21.33  term (  16)             5108416    4141003     967413          1  18753.1 K
% 20.92/21.33  gen_ptr (   8)          4748626     570188    4178438          0  32644.0 K
% 20.92/21.33  context ( 808)         26588928   26588926          2          8      7.9 K
% 20.92/21.33  trail (  12)              25397      25397          0          8      0.1 K
% 20.92/21.33  bt_node (  68)         12724281   12724278          3         19      1.5 K
% 20.92/21.33  ac_position (285432)          0          0          0          0      0.0 K
% 20.92/21.33  ac_match_pos (14044)          0          0          0          0      0.0 K
% 20.92/21.33  ac_match_free_vars_pos (4020)
% 20.92/21.34                                0          0          0          0      0.0 K
% 20.92/21.34  discrim (  12)           628285      24138     604147          0   7079.8 K
% 20.92/21.34  flat (  40)            1147271
% 20.92/21.34  
% 20.92/21.34  ********** ABNORMAL END **********
% 20.92/21.34  ********** in tp_alloc, max_mem parameter exceeded.
% 20.92/21.34  8   11472718          0         66      2.6 K
% 20.92/21.34  discrim_pos (  12)       189220     189220          0          1      0.0 K
% 20.92/21.34  fpa_head (  12)           49975          0      49975          0    585.6 K
% 20.92/21.34  fpa_tree (  28)           76956      76956          0         25      0.7 K
% 20.92/21.34  fpa_pos (  36)            45512      45512          0          1      0.0 K
% 20.92/21.34  literal (  12)           254081     217806      36275          0    425.1 K
% 20.92/21.34  clause (  24)            254081     217806      36275          0    850.2 K
% 20.92/21.34  list (  12)                9297       9241         56          4      0.7 K
% 20.92/21.34  list_pos (  20)          121809       8213     113596          0   2218.7 K
% 20.92/21.34  pair_index (   40)              2          0          2          0      0.1 K
% 20.92/21.34  
% 20.92/21.34  -------------- statistics -------------
% 20.92/21.34  Clauses input                113
% 20.92/21.34    Usable input                   0
% 20.92/21.34    Sos input                    113
% 20.92/21.34    Demodulators input             0
% 20.92/21.34    Passive input                  0
% 20.92/21.34  
% 20.92/21.34  Processed BS (before search) 125
% 20.92/21.34  Forward subsumed BS            3
% 20.92/21.34  Kept BS                      122
% 20.92/21.34  New demodulators BS          117
% 20.92/21.34  Back demodulated BS            8
% 20.92/21.34  
% 20.92/21.34  Clauses or pairs given   1827610
% 20.92/21.34  Clauses generated         125852
% 20.92/21.34  Forward subsumed           89700
% 20.92/21.34  Deleted by weight              0
% 20.92/21.34  Deleted by variable count      0
% 20.92/21.34  Kept                       36152
% 20.92/21.34  New demodulators            9121
% 20.92/21.34  Back demodulated            1800
% 20.92/21.34  Ordered paramod prunes         0
% 20.92/21.34  Basic paramod prunes     6169748
% 20.92/21.34  Prime paramod prunes           2
% 20.92/21.34  Semantic prunes                0
% 20.92/21.34  
% 20.92/21.34  Rewrite attmepts         2788727
% 20.92/21.34  Rewrites                  133654
% 20.92/21.34  
% 20.92/21.34  FPA overloads                  0
% 20.92/21.34  FPA underloads                 0
% 20.92/21.34  
% 20.92/21.34  Usable size                    0
% 20.92/21.34  Sos size                   34466
% 20.92/21.34  Demodulators size           8390
% 20.92/21.34  Passive size                   0
% 20.92/21.34  Disabled size               1808
% 20.92/21.34  
% 20.92/21.34  Proofs found                   0
% 20.92/21.34  
% 20.92/21.34  ----------- times (seconds) ----------- Tue May  5 13:14:52 2026
% 20.92/21.34  
% 20.92/21.34  user CPU time            14.38   (0 hr, 0 min, 14 sec)
% 20.92/21.34  system CPU time           5.86   (0 hr, 0 min, 5 sec)
% 20.92/21.34  wall-clock time          20      (0 hr, 0 min, 20 sec)
% 20.92/21.34  input time                0.01
% 20.92/21.34  paramodulation time       1.69
% 20.92/21.34  demodulation time         0.35
% 20.92/21.34  orient time               0.24
% 20.92/21.34  weigh time                0.05
% 20.92/21.34  forward subsume time      0.16
% 20.92/21.34  back demod find time      0.16
% 20.92/21.34  conflict time             0.04
% 20.92/21.34  LRPO time                 0.13
% 20.92/21.34  store clause time         9.25
% 20.92/21.34  disable clause time       0.46
% 20.92/21.34  prime paramod time        0.11
% 20.92/21.34  semantics time            0.00
% 20.92/21.34  
% 20.92/21.34  EQP interrupted
%------------------------------------------------------------------------------