TSTP Solution File: NUN055+2 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : NUN055+2 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n027.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 : Mon Jul 18 16:37:05 EDT 2022

% Result   : Theorem 1.11s 1.45s
% Output   : Refutation 1.11s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : NUN055+2 : TPTP v8.1.0. Released v7.3.0.
% 0.06/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n027.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
% 0.12/0.34  % CPULimit : 300
% 0.12/0.34  % WCLimit  : 600
% 0.12/0.34  % DateTime : Thu Jun  2 04:52:19 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.43/1.00  ============================== Prover9 ===============================
% 0.43/1.00  Prover9 (32) version 2009-11A, November 2009.
% 0.43/1.00  Process 13689 was started by sandbox on n027.cluster.edu,
% 0.43/1.00  Thu Jun  2 04:52:20 2022
% 0.43/1.00  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_13536_n027.cluster.edu".
% 0.43/1.00  ============================== end of head ===========================
% 0.43/1.00  
% 0.43/1.00  ============================== INPUT =================================
% 0.43/1.00  
% 0.43/1.00  % Reading from file /tmp/Prover9_13536_n027.cluster.edu
% 0.43/1.00  
% 0.43/1.00  set(prolog_style_variables).
% 0.43/1.00  set(auto2).
% 0.43/1.00      % set(auto2) -> set(auto).
% 0.43/1.00      % set(auto) -> set(auto_inference).
% 0.43/1.00      % set(auto) -> set(auto_setup).
% 0.43/1.00      % set(auto_setup) -> set(predicate_elim).
% 0.43/1.00      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.43/1.00      % set(auto) -> set(auto_limits).
% 0.43/1.00      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.43/1.00      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.43/1.00      % set(auto) -> set(auto_denials).
% 0.43/1.00      % set(auto) -> set(auto_process).
% 0.43/1.00      % set(auto2) -> assign(new_constants, 1).
% 0.43/1.00      % set(auto2) -> assign(fold_denial_max, 3).
% 0.43/1.00      % set(auto2) -> assign(max_weight, "200.000").
% 0.43/1.00      % set(auto2) -> assign(max_hours, 1).
% 0.43/1.00      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.43/1.00      % set(auto2) -> assign(max_seconds, 0).
% 0.43/1.00      % set(auto2) -> assign(max_minutes, 5).
% 0.43/1.00      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.43/1.00      % set(auto2) -> set(sort_initial_sos).
% 0.43/1.00      % set(auto2) -> assign(sos_limit, -1).
% 0.43/1.00      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.43/1.00      % set(auto2) -> assign(max_megs, 400).
% 0.43/1.00      % set(auto2) -> assign(stats, some).
% 0.43/1.00      % set(auto2) -> clear(echo_input).
% 0.43/1.00      % set(auto2) -> set(quiet).
% 0.43/1.00      % set(auto2) -> clear(print_initial_clauses).
% 0.43/1.00      % set(auto2) -> clear(print_given).
% 0.43/1.00  assign(lrs_ticks,-1).
% 0.43/1.00  assign(sos_limit,10000).
% 0.43/1.00  assign(order,kbo).
% 0.43/1.00  set(lex_order_vars).
% 0.43/1.00  clear(print_given).
% 0.43/1.00  
% 0.43/1.00  % formulas(sos).  % not echoed (12 formulas)
% 0.43/1.00  
% 0.43/1.00  ============================== end of input ==========================
% 0.43/1.00  
% 0.43/1.00  % From the command line: assign(max_seconds, 300).
% 0.43/1.00  
% 0.43/1.00  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.43/1.00  
% 0.43/1.00  % Formulas that are not ordinary clauses:
% 0.43/1.00  1 (exists Y24 all X19 (-r1(X19) & X19 != Y24 | r1(X19) & X19 = Y24)) # label(axiom_1) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.00  2 (all X11 exists Y21 all X12 (-r2(X11,X12) & X12 != Y21 | r2(X11,X12) & X12 = Y21)) # label(axiom_2) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.00  3 (all X13 all X14 exists Y22 all X15 (-r3(X13,X14,X15) & X15 != Y22 | r3(X13,X14,X15) & X15 = Y22)) # label(axiom_3) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.00  4 (all X16 all X17 exists Y23 all X18 (-r4(X16,X17,X18) & X18 != Y23 | r4(X16,X17,X18) & X18 = Y23)) # label(axiom_4) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.00  5 (all X1 all X8 exists Y4 ((exists Y5 ((exists Y15 (r2(X8,Y15) & r3(X1,Y15,Y5))) & Y5 = Y4)) & (exists Y7 (r2(Y7,Y4) & r3(X1,X8,Y7))))) # label(axiom_1a) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.00  6 (all X2 all X9 exists Y2 ((exists Y3 ((exists Y14 (r2(X9,Y14) & r4(X2,Y14,Y3))) & Y3 = Y2)) & (exists Y6 (r3(Y6,X2,Y2) & r4(X2,X9,Y6))))) # label(axiom_2a) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.00  7 (all X3 all X10 ((all Y12 ((all Y13 (-r2(X3,Y13) | Y13 != Y12)) | -r2(X10,Y12))) | X3 = X10)) # label(axiom_3a) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.00  8 (all X4 exists Y9 ((exists Y16 (r1(Y16) & r3(X4,Y16,Y9))) & Y9 = X4)) # label(axiom_4a) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.00  9 (all X5 exists Y8 ((exists Y17 (r1(Y17) & r4(X5,Y17,Y8))) & (exists Y18 (r1(Y18) & Y8 = Y18)))) # label(axiom_5a) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.00  10 (all X6 ((exists Y19 (r1(Y19) & X6 = Y19)) | (exists Y1 exists Y11 (r2(Y1,Y11) & X6 = Y11)))) # label(axiom_6a) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.00  11 (all X7 all Y10 ((all Y20 (-r1(Y20) | Y20 != Y10)) | -r2(X7,Y10))) # label(axiom_7a) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.00  12 -(exists Y1 ((exists Y2 ((exists Y4 (r2(Y4,Y2) & (exists Y6 (r1(Y6) & r2(Y6,Y4))))) & (exists Y7 (r1(Y7) & r3(Y7,Y2,Y1))))) & (exists Y3 (Y1 = Y3 & (exists Y5 (r2(Y5,Y3) & (exists Y8 (r1(Y8) & r2(Y8,Y5))))))))) # label(zeroplustwoeqtwo) # label(negated_conjecture) # label(non_clause).  [assumption].
% 1.11/1.45  
% 1.11/1.45  ============================== end of process non-clausal formulas ===
% 1.11/1.45  
% 1.11/1.45  ============================== PROCESS INITIAL CLAUSES ===============
% 1.11/1.45  
% 1.11/1.45  ============================== PREDICATE ELIMINATION =================
% 1.11/1.45  13 -r2(A,B) | -r1(C) | -r2(C,A) | -r1(D) | -r3(D,B,E) | E != F | -r2(V6,F) | -r1(V7) | -r2(V7,V6) # label(zeroplustwoeqtwo) # label(negated_conjecture).  [clausify(12)].
% 1.11/1.45  14 r3(A,B,f7(A,B)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.45  15 r3(A,f13(A),f12(A)) # label(axiom_4a) # label(axiom).  [clausify(8)].
% 1.11/1.45  16 r3(A,f6(A,B),f5(A,B)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.45  17 r3(f11(A,B),A,f8(A,B)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 1.11/1.45  Derived: -r2(A,B) | -r1(C) | -r2(C,A) | -r1(D) | f7(D,B) != E | -r2(F,E) | -r1(V6) | -r2(V6,F).  [resolve(13,e,14,a)].
% 1.11/1.45  Derived: -r2(A,f13(B)) | -r1(C) | -r2(C,A) | -r1(B) | f12(B) != D | -r2(E,D) | -r1(F) | -r2(F,E).  [resolve(13,e,15,a)].
% 1.11/1.45  Derived: -r2(A,f6(B,C)) | -r1(D) | -r2(D,A) | -r1(B) | f5(B,C) != E | -r2(F,E) | -r1(V6) | -r2(V6,F).  [resolve(13,e,16,a)].
% 1.11/1.45  Derived: -r2(A,B) | -r1(C) | -r2(C,A) | -r1(f11(B,D)) | f8(B,D) != E | -r2(F,E) | -r1(V6) | -r2(V6,F).  [resolve(13,e,17,a)].
% 1.11/1.45  18 -r3(A,B,C) | C = f2(A,B) # label(axiom_3) # label(axiom).  [clausify(3)].
% 1.11/1.45  Derived: f7(A,B) = f2(A,B).  [resolve(18,a,14,a)].
% 1.11/1.45  Derived: f12(A) = f2(A,f13(A)).  [resolve(18,a,15,a)].
% 1.11/1.45  Derived: f5(A,B) = f2(A,f6(A,B)).  [resolve(18,a,16,a)].
% 1.11/1.45  Derived: f8(A,B) = f2(f11(A,B),A).  [resolve(18,a,17,a)].
% 1.11/1.45  19 A != f2(B,C) | r3(B,C,A) # label(axiom_3) # label(axiom).  [clausify(3)].
% 1.11/1.45  Derived: A != f2(B,C) | -r2(D,C) | -r1(E) | -r2(E,D) | -r1(B) | A != F | -r2(V6,F) | -r1(V7) | -r2(V7,V6).  [resolve(19,b,13,e)].
% 1.11/1.45  20 -r4(A,B,C) | C = f3(A,B) # label(axiom_4) # label(axiom).  [clausify(4)].
% 1.11/1.45  21 r4(A,B,f11(A,B)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 1.11/1.45  22 r4(A,f15(A),f14(A)) # label(axiom_5a) # label(axiom).  [clausify(9)].
% 1.11/1.45  23 r4(A,f10(A,B),f9(A,B)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 1.11/1.45  Derived: f11(A,B) = f3(A,B).  [resolve(20,a,21,a)].
% 1.11/1.45  Derived: f14(A) = f3(A,f15(A)).  [resolve(20,a,22,a)].
% 1.11/1.45  Derived: f9(A,B) = f3(A,f10(A,B)).  [resolve(20,a,23,a)].
% 1.11/1.45  24 A != f3(B,C) | r4(B,C,A) # label(axiom_4) # label(axiom).  [clausify(4)].
% 1.11/1.45  
% 1.11/1.45  ============================== end predicate elimination =============
% 1.11/1.45  
% 1.11/1.45  Auto_denials:  (non-Horn, no changes).
% 1.11/1.45  
% 1.11/1.45  Term ordering decisions:
% 1.11/1.45  Function symbol KB weights:  c1=1. f2=1. f3=1. f4=1. f5=1. f6=1. f7=1. f8=1. f9=1. f10=1. f11=1. f1=1. f12=1. f13=1. f14=1. f15=1. f16=1. f17=1. f18=1. f19=1.
% 1.11/1.45  
% 1.11/1.45  ============================== end of process initial clauses ========
% 1.11/1.45  
% 1.11/1.45  ============================== CLAUSES FOR SEARCH ====================
% 1.11/1.45  
% 1.11/1.45  ============================== end of clauses for search =============
% 1.11/1.45  
% 1.11/1.45  ============================== SEARCH ================================
% 1.11/1.45  
% 1.11/1.45  % Starting search at 0.05 seconds.
% 1.11/1.45  
% 1.11/1.45  ============================== PROOF =================================
% 1.11/1.45  % SZS status Theorem
% 1.11/1.45  % SZS output start Refutation
% 1.11/1.45  
% 1.11/1.45  % Proof 1 at 0.45 (+ 0.01) seconds.
% 1.11/1.45  % Length of proof is 46.
% 1.11/1.45  % Level of proof is 7.
% 1.11/1.45  % Maximum clause weight is 26.000.
% 1.11/1.45  % Given clauses 169.
% 1.11/1.45  
% 1.11/1.45  1 (exists Y24 all X19 (-r1(X19) & X19 != Y24 | r1(X19) & X19 = Y24)) # label(axiom_1) # label(axiom) # label(non_clause).  [assumption].
% 1.11/1.45  2 (all X11 exists Y21 all X12 (-r2(X11,X12) & X12 != Y21 | r2(X11,X12) & X12 = Y21)) # label(axiom_2) # label(axiom) # label(non_clause).  [assumption].
% 1.11/1.45  3 (all X13 all X14 exists Y22 all X15 (-r3(X13,X14,X15) & X15 != Y22 | r3(X13,X14,X15) & X15 = Y22)) # label(axiom_3) # label(axiom) # label(non_clause).  [assumption].
% 1.11/1.45  5 (all X1 all X8 exists Y4 ((exists Y5 ((exists Y15 (r2(X8,Y15) & r3(X1,Y15,Y5))) & Y5 = Y4)) & (exists Y7 (r2(Y7,Y4) & r3(X1,X8,Y7))))) # label(axiom_1a) # label(axiom) # label(non_clause).  [assumption].
% 1.11/1.45  6 (all X2 all X9 exists Y2 ((exists Y3 ((exists Y14 (r2(X9,Y14) & r4(X2,Y14,Y3))) & Y3 = Y2)) & (exists Y6 (r3(Y6,X2,Y2) & r4(X2,X9,Y6))))) # label(axiom_2a) # label(axiom) # label(non_clause).  [assumption].
% 1.11/1.45  8 (all X4 exists Y9 ((exists Y16 (r1(Y16) & r3(X4,Y16,Y9))) & Y9 = X4)) # label(axiom_4a) # label(axiom) # label(non_clause).  [assumption].
% 1.11/1.45  9 (all X5 exists Y8 ((exists Y17 (r1(Y17) & r4(X5,Y17,Y8))) & (exists Y18 (r1(Y18) & Y8 = Y18)))) # label(axiom_5a) # label(axiom) # label(non_clause).  [assumption].
% 1.11/1.45  12 -(exists Y1 ((exists Y2 ((exists Y4 (r2(Y4,Y2) & (exists Y6 (r1(Y6) & r2(Y6,Y4))))) & (exists Y7 (r1(Y7) & r3(Y7,Y2,Y1))))) & (exists Y3 (Y1 = Y3 & (exists Y5 (r2(Y5,Y3) & (exists Y8 (r1(Y8) & r2(Y8,Y5))))))))) # label(zeroplustwoeqtwo) # label(negated_conjecture) # label(non_clause).  [assumption].
% 1.11/1.45  13 -r2(A,B) | -r1(C) | -r2(C,A) | -r1(D) | -r3(D,B,E) | E != F | -r2(V6,F) | -r1(V7) | -r2(V7,V6) # label(zeroplustwoeqtwo) # label(negated_conjecture).  [clausify(12)].
% 1.11/1.45  14 r3(A,B,f7(A,B)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.45  15 r3(A,f13(A),f12(A)) # label(axiom_4a) # label(axiom).  [clausify(8)].
% 1.11/1.45  16 r3(A,f6(A,B),f5(A,B)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.45  18 -r3(A,B,C) | C = f2(A,B) # label(axiom_3) # label(axiom).  [clausify(3)].
% 1.11/1.45  19 A != f2(B,C) | r3(B,C,A) # label(axiom_3) # label(axiom).  [clausify(3)].
% 1.11/1.45  25 r1(f13(A)) # label(axiom_4a) # label(axiom).  [clausify(8)].
% 1.11/1.45  26 r1(f15(A)) # label(axiom_5a) # label(axiom).  [clausify(9)].
% 1.11/1.45  28 f12(A) = A # label(axiom_4a) # label(axiom).  [clausify(8)].
% 1.11/1.45  29 r2(A,f6(B,A)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.45  30 r2(A,f10(B,A)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 1.11/1.45  32 f5(A,B) = f4(A,B) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.45  33 r2(f7(A,B),f4(A,B)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.45  40 -r1(A) | A = c1 # label(axiom_1) # label(axiom).  [clausify(1)].
% 1.11/1.45  41 -r1(A) | c1 = A.  [copy(40),flip(b)].
% 1.11/1.45  44 -r2(A,B) | B = f1(A) # label(axiom_2) # label(axiom).  [clausify(2)].
% 1.11/1.45  45 -r2(A,B) | f1(A) = B.  [copy(44),flip(b)].
% 1.11/1.45  54 f7(A,B) = f2(A,B).  [resolve(18,a,14,a)].
% 1.11/1.45  55 f12(A) = f2(A,f13(A)).  [resolve(18,a,15,a)].
% 1.11/1.45  56 f2(A,f13(A)) = A.  [copy(55),rewrite([28(1)]),flip(a)].
% 1.11/1.45  57 f5(A,B) = f2(A,f6(A,B)).  [resolve(18,a,16,a)].
% 1.11/1.45  58 f2(A,f6(A,B)) = f4(A,B).  [copy(57),rewrite([32(1)]),flip(a)].
% 1.11/1.45  60 A != f2(B,C) | -r2(D,C) | -r1(E) | -r2(E,D) | -r1(B) | A != F | -r2(V6,F) | -r1(V7) | -r2(V7,V6).  [resolve(19,b,13,e)].
% 1.11/1.45  61 f2(A,B) != C | -r2(D,B) | -r1(E) | -r2(E,D) | -r1(A) | C != F | -r2(V6,F) | -r1(V7) | -r2(V7,V6).  [copy(60),flip(a)].
% 1.11/1.45  86 r2(f2(A,B),f4(A,B)).  [back_rewrite(33),rewrite([54(1)])].
% 1.11/1.45  92 f2(A,B) != C | -r2(D,B) | -r1(A) | -r2(A,D) | C != E | -r2(F,E) | -r1(V6) | -r2(V6,F).  [factor(61,c,e)].
% 1.11/1.45  159 f2(A,B) != C | -r2(D,B) | -r1(A) | -r2(A,D) | C != E | -r2(F,E) | -r2(A,F).  [factor(92,c,g)].
% 1.11/1.45  240 f15(A) = c1.  [resolve(41,a,26,a),flip(a)].
% 1.11/1.45  241 f13(A) = c1.  [resolve(41,a,25,a),flip(a)].
% 1.11/1.45  248 r1(c1).  [back_rewrite(26),rewrite([240(1)])].
% 1.11/1.45  249 f2(A,c1) = A.  [back_rewrite(56),rewrite([241(1)])].
% 1.11/1.45  253 f10(A,B) = f1(B).  [resolve(45,a,30,a),flip(a)].
% 1.11/1.45  254 f6(A,B) = f1(B).  [resolve(45,a,29,a),flip(a)].
% 1.11/1.45  259 r2(A,f1(A)).  [back_rewrite(30),rewrite([253(1)])].
% 1.11/1.45  285 f2(A,f1(B)) = f4(A,B).  [back_rewrite(58),rewrite([254(1)])].
% 1.11/1.45  1341 r2(A,f4(A,c1)).  [para(249(a,1),86(a,1))].
% 1.11/1.45  1517 f4(A,c1) = f1(A).  [resolve(1341,a,45,a),flip(a)].
% 1.11/1.45  1528 $F.  [ur(159,a,xx,b,259,a,c,248,a,d,259,a,e,285,a,f,86,a),rewrite([285(5),1517(4)]),unit_del(a,259)].
% 1.11/1.45  
% 1.11/1.45  % SZS output end Refutation
% 1.11/1.45  ============================== end of proof ==========================
% 1.11/1.45  
% 1.11/1.45  ============================== STATISTICS ============================
% 1.11/1.45  
% 1.11/1.45  Given=169. Generated=9057. Kept=1493. proofs=1.
% 1.11/1.45  Usable=163. Sos=1067. Demods=19. Limbo=0, Disabled=307. Hints=0.
% 1.11/1.45  Megabytes=1.21.
% 1.11/1.45  User_CPU=0.45, System_CPU=0.01, Wall_clock=0.
% 1.11/1.45  
% 1.11/1.45  ============================== end of statistics =====================
% 1.11/1.45  
% 1.11/1.45  ============================== end of search =========================
% 1.11/1.45  
% 1.11/1.45  THEOREM PROVED
% 1.11/1.45  % SZS status Theorem
% 1.11/1.45  
% 1.11/1.45  Exiting with 1 proof.
% 1.11/1.45  
% 1.11/1.45  Process 13689 exit (max_proofs) Thu Jun  2 04:52:20 2022
% 1.11/1.45  Prover9 interrupted
%------------------------------------------------------------------------------