TSTP Solution File: NUN057+2 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : NUN057+2 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n021.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 1.41s
% Output   : Refutation 1.11s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.12  % Problem  : NUN057+2 : TPTP v8.1.0. Released v7.3.0.
% 0.06/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n021.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Thu Jun  2 04:19:16 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.67/0.98  ============================== Prover9 ===============================
% 0.67/0.98  Prover9 (32) version 2009-11A, November 2009.
% 0.67/0.98  Process 29538 was started by sandbox on n021.cluster.edu,
% 0.67/0.98  Thu Jun  2 04:19:17 2022
% 0.67/0.98  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_29385_n021.cluster.edu".
% 0.67/0.98  ============================== end of head ===========================
% 0.67/0.98  
% 0.67/0.98  ============================== INPUT =================================
% 0.67/0.98  
% 0.67/0.98  % Reading from file /tmp/Prover9_29385_n021.cluster.edu
% 0.67/0.98  
% 0.67/0.98  set(prolog_style_variables).
% 0.67/0.98  set(auto2).
% 0.67/0.98      % set(auto2) -> set(auto).
% 0.67/0.98      % set(auto) -> set(auto_inference).
% 0.67/0.98      % set(auto) -> set(auto_setup).
% 0.67/0.98      % set(auto_setup) -> set(predicate_elim).
% 0.67/0.98      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.67/0.98      % set(auto) -> set(auto_limits).
% 0.67/0.98      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.67/0.98      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.67/0.98      % set(auto) -> set(auto_denials).
% 0.67/0.98      % set(auto) -> set(auto_process).
% 0.67/0.98      % set(auto2) -> assign(new_constants, 1).
% 0.67/0.98      % set(auto2) -> assign(fold_denial_max, 3).
% 0.67/0.98      % set(auto2) -> assign(max_weight, "200.000").
% 0.67/0.98      % set(auto2) -> assign(max_hours, 1).
% 0.67/0.98      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.67/0.98      % set(auto2) -> assign(max_seconds, 0).
% 0.67/0.98      % set(auto2) -> assign(max_minutes, 5).
% 0.67/0.98      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.67/0.98      % set(auto2) -> set(sort_initial_sos).
% 0.67/0.98      % set(auto2) -> assign(sos_limit, -1).
% 0.67/0.98      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.67/0.98      % set(auto2) -> assign(max_megs, 400).
% 0.67/0.98      % set(auto2) -> assign(stats, some).
% 0.67/0.98      % set(auto2) -> clear(echo_input).
% 0.67/0.98      % set(auto2) -> set(quiet).
% 0.67/0.98      % set(auto2) -> clear(print_initial_clauses).
% 0.67/0.98      % set(auto2) -> clear(print_given).
% 0.67/0.98  assign(lrs_ticks,-1).
% 0.67/0.98  assign(sos_limit,10000).
% 0.67/0.98  assign(order,kbo).
% 0.67/0.98  set(lex_order_vars).
% 0.67/0.98  clear(print_given).
% 0.67/0.98  
% 0.67/0.98  % formulas(sos).  % not echoed (12 formulas)
% 0.67/0.98  
% 0.67/0.98  ============================== end of input ==========================
% 0.67/0.98  
% 0.67/0.98  % From the command line: assign(max_seconds, 300).
% 0.67/0.98  
% 0.67/0.98  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.67/0.98  
% 0.67/0.98  % Formulas that are not ordinary clauses:
% 0.67/0.98  1 (exists Y24 all X19 (-r1(X19) & X19 != Y24 | r1(X19) & X19 = Y24)) # label(axiom_1) # label(axiom) # label(non_clause).  [assumption].
% 0.67/0.98  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].
% 0.67/0.98  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].
% 0.67/0.98  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].
% 0.67/0.98  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].
% 0.67/0.98  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].
% 0.67/0.98  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].
% 0.67/0.98  8 (all X4 exists Y9 ((exists Y16 (r1(Y16) & r3(X4,Y16,Y9))) & Y9 = X4)) # label(axiom_4a) # label(axiom) # label(non_clause).  [assumption].
% 0.67/0.98  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].
% 0.67/0.98  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].
% 0.67/0.98  11 (all X7 all Y10 ((all Y20 (-r1(Y20) | Y20 != Y10)) | -r2(X7,Y10))) # label(axiom_7a) # label(axiom) # label(non_clause).  [assumption].
% 0.67/0.98  12 -(exists Y1 ((exists Y2 (Y1 = Y2 & (exists Y3 (r2(Y3,Y2) & (exists Y4 (r2(Y4,Y3) & (exists Y6 (r2(Y6,Y4) & (exists Y8 (r1(Y8) & r2(Y8,Y6))))))))))) & (exists Y5 (r3(Y5,Y5,Y1) & (exists Y7 (r2(Y7,Y5) & (exists Y9 (r1(Y9) & r2(Y9,Y7))))))))) # label(twoplustwoeqfour) # label(negated_conjecture) # label(non_clause).  [assumption].
% 1.11/1.41  
% 1.11/1.41  ============================== end of process non-clausal formulas ===
% 1.11/1.41  
% 1.11/1.41  ============================== PROCESS INITIAL CLAUSES ===============
% 1.11/1.41  
% 1.11/1.41  ============================== PREDICATE ELIMINATION =================
% 1.11/1.41  13 -r4(A,B,C) | C = f3(A,B) # label(axiom_4) # label(axiom).  [clausify(4)].
% 1.11/1.41  14 r4(A,B,f11(A,B)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 1.11/1.41  15 r4(A,f15(A),f14(A)) # label(axiom_5a) # label(axiom).  [clausify(9)].
% 1.11/1.41  16 r4(A,f10(A,B),f9(A,B)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 1.11/1.41  Derived: f11(A,B) = f3(A,B).  [resolve(13,a,14,a)].
% 1.11/1.41  Derived: f14(A) = f3(A,f15(A)).  [resolve(13,a,15,a)].
% 1.11/1.41  Derived: f9(A,B) = f3(A,f10(A,B)).  [resolve(13,a,16,a)].
% 1.11/1.41  17 A != f3(B,C) | r4(B,C,A) # label(axiom_4) # label(axiom).  [clausify(4)].
% 1.11/1.41  
% 1.11/1.41  ============================== end predicate elimination =============
% 1.11/1.41  
% 1.11/1.41  Auto_denials:  (non-Horn, no changes).
% 1.11/1.41  
% 1.11/1.41  Term ordering decisions:
% 1.11/1.41  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.
% 1.11/1.41  
% 1.11/1.41  ============================== end of process initial clauses ========
% 1.11/1.41  
% 1.11/1.41  ============================== CLAUSES FOR SEARCH ====================
% 1.11/1.41  
% 1.11/1.41  ============================== end of clauses for search =============
% 1.11/1.41  
% 1.11/1.41  ============================== SEARCH ================================
% 1.11/1.41  
% 1.11/1.41  % Starting search at 0.06 seconds.
% 1.11/1.41  
% 1.11/1.41  ============================== PROOF =================================
% 1.11/1.41  % SZS status Theorem
% 1.11/1.41  % SZS output start Refutation
% 1.11/1.41  
% 1.11/1.41  % Proof 1 at 0.44 (+ 0.01) seconds.
% 1.11/1.41  % Length of proof is 44.
% 1.11/1.41  % Level of proof is 7.
% 1.11/1.41  % Maximum clause weight is 29.000.
% 1.11/1.41  % Given clauses 174.
% 1.11/1.41  
% 1.11/1.41  1 (exists Y24 all X19 (-r1(X19) & X19 != Y24 | r1(X19) & X19 = Y24)) # label(axiom_1) # label(axiom) # label(non_clause).  [assumption].
% 1.11/1.41  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].
% 1.11/1.41  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].
% 1.11/1.41  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].
% 1.11/1.41  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].
% 1.11/1.41  8 (all X4 exists Y9 ((exists Y16 (r1(Y16) & r3(X4,Y16,Y9))) & Y9 = X4)) # label(axiom_4a) # label(axiom) # label(non_clause).  [assumption].
% 1.11/1.41  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].
% 1.11/1.41  12 -(exists Y1 ((exists Y2 (Y1 = Y2 & (exists Y3 (r2(Y3,Y2) & (exists Y4 (r2(Y4,Y3) & (exists Y6 (r2(Y6,Y4) & (exists Y8 (r1(Y8) & r2(Y8,Y6))))))))))) & (exists Y5 (r3(Y5,Y5,Y1) & (exists Y7 (r2(Y7,Y5) & (exists Y9 (r1(Y9) & r2(Y9,Y7))))))))) # label(twoplustwoeqfour) # label(negated_conjecture) # label(non_clause).  [assumption].
% 1.11/1.41  18 r1(f13(A)) # label(axiom_4a) # label(axiom).  [clausify(8)].
% 1.11/1.41  19 r1(f15(A)) # label(axiom_5a) # label(axiom).  [clausify(9)].
% 1.11/1.41  21 f12(A) = A # label(axiom_4a) # label(axiom).  [clausify(8)].
% 1.11/1.41  22 r2(A,f6(B,A)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.41  23 r2(A,f10(B,A)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 1.11/1.41  25 r3(A,B,f7(A,B)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.41  26 r3(A,f13(A),f12(A)) # label(axiom_4a) # label(axiom).  [clausify(8)].
% 1.11/1.41  27 r3(A,f13(A),A).  [copy(26),rewrite([21(2)])].
% 1.11/1.41  28 f5(A,B) = f4(A,B) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.41  29 r2(f7(A,B),f4(A,B)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.41  32 r3(A,f6(A,B),f5(A,B)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 1.11/1.41  33 r3(A,f6(A,B),f4(A,B)).  [copy(32),rewrite([28(2)])].
% 1.11/1.41  39 A != B | -r2(C,B) | -r2(D,C) | -r2(E,D) | -r1(F) | -r2(F,E) | -r3(V6,V6,A) | -r2(V7,V6) | -r1(V8) | -r2(V8,V7) # label(twoplustwoeqfour) # label(negated_conjecture).  [clausify(12)].
% 1.11/1.41  40 -r1(A) | A = c1 # label(axiom_1) # label(axiom).  [clausify(1)].
% 1.11/1.41  41 -r1(A) | c1 = A.  [copy(40),flip(b)].
% 1.11/1.41  44 -r2(A,B) | B = f1(A) # label(axiom_2) # label(axiom).  [clausify(2)].
% 1.11/1.41  45 -r2(A,B) | f1(A) = B.  [copy(44),flip(b)].
% 1.11/1.41  48 -r3(A,B,C) | C = f2(A,B) # label(axiom_3) # label(axiom).  [clausify(3)].
% 1.11/1.41  49 -r3(A,B,C) | f2(A,B) = C.  [copy(48),flip(b)].
% 1.11/1.41  68 A != B | -r2(C,B) | -r2(D,C) | -r2(E,D) | -r1(F) | -r2(F,E) | -r3(D,D,A) | -r1(V6) | -r2(V6,E).  [factor(39,d,h)].
% 1.11/1.41  130 A != B | -r2(C,B) | -r2(D,C) | -r2(E,D) | -r1(F) | -r2(F,E) | -r3(D,D,A).  [factor(68,e,h),merge(h)].
% 1.11/1.41  964 f15(A) = c1.  [resolve(41,a,19,a),flip(a)].
% 1.11/1.41  965 f13(A) = c1.  [resolve(41,a,18,a),flip(a)].
% 1.11/1.41  1133 r1(c1).  [back_rewrite(19),rewrite([964(1)])].
% 1.11/1.41  1134 r3(A,c1,A).  [back_rewrite(27),rewrite([965(1)])].
% 1.11/1.41  1139 f10(A,B) = f1(B).  [resolve(45,a,23,a),flip(a)].
% 1.11/1.41  1140 f6(A,B) = f1(B).  [resolve(45,a,22,a),flip(a)].
% 1.11/1.41  1148 r2(A,f1(A)).  [back_rewrite(23),rewrite([1139(1)])].
% 1.11/1.41  1149 r3(A,f1(B),f4(A,B)).  [back_rewrite(33),rewrite([1140(1)])].
% 1.11/1.41  1151 f7(A,B) = f2(A,B).  [resolve(49,a,25,a),flip(a)].
% 1.11/1.41  1261 r2(f2(A,B),f4(A,B)).  [back_rewrite(29),rewrite([1151(1)])].
% 1.11/1.41  1279 f2(A,c1) = A.  [resolve(1134,a,49,a)].
% 1.11/1.41  1371 f2(A,f1(B)) = f4(A,B).  [resolve(1149,a,49,a)].
% 1.11/1.41  1391 -r2(f1(f1(c1)),f4(f1(f1(c1)),c1)).  [ur(130,a,xx,b,1261,a,d,1148,a,e,1133,a,f,1148,a,g,1149,a),rewrite([1371(9)])].
% 1.11/1.41  1392 r2(A,f4(A,c1)).  [para(1279(a,1),1261(a,1))].
% 1.11/1.41  1393 $F.  [resolve(1392,a,1391,a)].
% 1.11/1.41  
% 1.11/1.41  % SZS output end Refutation
% 1.11/1.41  ============================== end of proof ==========================
% 1.11/1.41  
% 1.11/1.41  ============================== STATISTICS ============================
% 1.11/1.41  
% 1.11/1.41  Given=174. Generated=5665. Kept=1366. proofs=1.
% 1.11/1.41  Usable=164. Sos=219. Demods=19. Limbo=2, Disabled=1015. Hints=0.
% 1.11/1.41  Megabytes=1.09.
% 1.11/1.41  User_CPU=0.44, System_CPU=0.01, Wall_clock=0.
% 1.11/1.41  
% 1.11/1.41  ============================== end of statistics =====================
% 1.11/1.41  
% 1.11/1.41  ============================== end of search =========================
% 1.11/1.41  
% 1.11/1.41  THEOREM PROVED
% 1.11/1.41  % SZS status Theorem
% 1.11/1.41  
% 1.11/1.41  Exiting with 1 proof.
% 1.11/1.41  
% 1.11/1.41  Process 29538 exit (max_proofs) Thu Jun  2 04:19:17 2022
% 1.11/1.41  Prover9 interrupted
%------------------------------------------------------------------------------