TSTP Solution File: NUN086+2 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : NUN086+2 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n029.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 16:37:15 EDT 2022

% Result   : Theorem 0.77s 1.08s
% Output   : Refutation 0.77s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.13  % Problem  : NUN086+2 : TPTP v8.1.0. Released v7.3.0.
% 0.08/0.14  % Command  : tptp2X_and_run_prover9 %d %s
% 0.14/0.35  % Computer : n029.cluster.edu
% 0.14/0.35  % Model    : x86_64 x86_64
% 0.14/0.35  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.35  % Memory   : 8042.1875MB
% 0.14/0.35  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.14/0.35  % CPULimit : 300
% 0.14/0.35  % WCLimit  : 600
% 0.14/0.35  % DateTime : Thu Jun  2 06:33:31 EDT 2022
% 0.14/0.35  % CPUTime  : 
% 0.77/1.04  ============================== Prover9 ===============================
% 0.77/1.04  Prover9 (32) version 2009-11A, November 2009.
% 0.77/1.04  Process 30870 was started by sandbox on n029.cluster.edu,
% 0.77/1.04  Thu Jun  2 06:33:32 2022
% 0.77/1.04  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_30717_n029.cluster.edu".
% 0.77/1.04  ============================== end of head ===========================
% 0.77/1.04  
% 0.77/1.04  ============================== INPUT =================================
% 0.77/1.04  
% 0.77/1.04  % Reading from file /tmp/Prover9_30717_n029.cluster.edu
% 0.77/1.04  
% 0.77/1.04  set(prolog_style_variables).
% 0.77/1.04  set(auto2).
% 0.77/1.04      % set(auto2) -> set(auto).
% 0.77/1.04      % set(auto) -> set(auto_inference).
% 0.77/1.04      % set(auto) -> set(auto_setup).
% 0.77/1.04      % set(auto_setup) -> set(predicate_elim).
% 0.77/1.04      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.77/1.04      % set(auto) -> set(auto_limits).
% 0.77/1.04      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.77/1.04      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.77/1.04      % set(auto) -> set(auto_denials).
% 0.77/1.04      % set(auto) -> set(auto_process).
% 0.77/1.04      % set(auto2) -> assign(new_constants, 1).
% 0.77/1.04      % set(auto2) -> assign(fold_denial_max, 3).
% 0.77/1.04      % set(auto2) -> assign(max_weight, "200.000").
% 0.77/1.04      % set(auto2) -> assign(max_hours, 1).
% 0.77/1.04      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.77/1.04      % set(auto2) -> assign(max_seconds, 0).
% 0.77/1.04      % set(auto2) -> assign(max_minutes, 5).
% 0.77/1.04      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.77/1.04      % set(auto2) -> set(sort_initial_sos).
% 0.77/1.04      % set(auto2) -> assign(sos_limit, -1).
% 0.77/1.04      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.77/1.04      % set(auto2) -> assign(max_megs, 400).
% 0.77/1.04      % set(auto2) -> assign(stats, some).
% 0.77/1.04      % set(auto2) -> clear(echo_input).
% 0.77/1.04      % set(auto2) -> set(quiet).
% 0.77/1.04      % set(auto2) -> clear(print_initial_clauses).
% 0.77/1.04      % set(auto2) -> clear(print_given).
% 0.77/1.04  assign(lrs_ticks,-1).
% 0.77/1.04  assign(sos_limit,10000).
% 0.77/1.04  assign(order,kbo).
% 0.77/1.04  set(lex_order_vars).
% 0.77/1.04  clear(print_given).
% 0.77/1.04  
% 0.77/1.04  % formulas(sos).  % not echoed (12 formulas)
% 0.77/1.04  
% 0.77/1.04  ============================== end of input ==========================
% 0.77/1.04  
% 0.77/1.04  % From the command line: assign(max_seconds, 300).
% 0.77/1.04  
% 0.77/1.04  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.77/1.04  
% 0.77/1.04  % Formulas that are not ordinary clauses:
% 0.77/1.04  1 (exists Y24 all X19 (-r1(X19) & X19 != Y24 | r1(X19) & X19 = Y24)) # label(axiom_1) # label(axiom) # label(non_clause).  [assumption].
% 0.77/1.04  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].
% 0.77/1.04  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].
% 0.77/1.04  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].
% 0.77/1.04  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].
% 0.77/1.04  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].
% 0.77/1.04  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].
% 0.77/1.04  8 (all X4 exists Y9 ((exists Y16 (r1(Y16) & r3(X4,Y16,Y9))) & Y9 = X4)) # label(axiom_4a) # label(axiom) # label(non_clause).  [assumption].
% 0.77/1.04  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].
% 0.77/1.04  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].
% 0.77/1.04  11 (all X7 all Y10 ((all Y20 (-r1(Y20) | Y20 != Y10)) | -r2(X7,Y10))) # label(axiom_7a) # label(axiom) # label(non_clause).  [assumption].
% 0.77/1.04  12 -(exists Y1 ((exists Y2 ((exists Y3 (r1(Y3) & r2(Y3,Y2))) & (exists Y4 (r1(Y4) & r4(Y4,Y2,Y1))))) & (exists Y5 (r1(Y5) & Y1 = Y5)))) # label(zerotimesoneeqzero) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.77/1.08  
% 0.77/1.08  ============================== end of process non-clausal formulas ===
% 0.77/1.08  
% 0.77/1.08  ============================== PROCESS INITIAL CLAUSES ===============
% 0.77/1.08  
% 0.77/1.08  ============================== PREDICATE ELIMINATION =================
% 0.77/1.08  13 -r3(A,B,C) | C = f2(A,B) # label(axiom_3) # label(axiom).  [clausify(3)].
% 0.77/1.08  14 r3(A,B,f7(A,B)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 0.77/1.08  15 r3(A,f13(A),f12(A)) # label(axiom_4a) # label(axiom).  [clausify(8)].
% 0.77/1.08  16 r3(A,f6(A,B),f5(A,B)) # label(axiom_1a) # label(axiom).  [clausify(5)].
% 0.77/1.08  17 r3(f11(A,B),A,f8(A,B)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 0.77/1.08  Derived: f7(A,B) = f2(A,B).  [resolve(13,a,14,a)].
% 0.77/1.08  Derived: f12(A) = f2(A,f13(A)).  [resolve(13,a,15,a)].
% 0.77/1.08  Derived: f5(A,B) = f2(A,f6(A,B)).  [resolve(13,a,16,a)].
% 0.77/1.08  Derived: f8(A,B) = f2(f11(A,B),A).  [resolve(13,a,17,a)].
% 0.77/1.08  18 A != f2(B,C) | r3(B,C,A) # label(axiom_3) # label(axiom).  [clausify(3)].
% 0.77/1.08  19 -r1(A) | -r2(A,B) | -r1(C) | -r4(C,B,D) | -r1(E) | D != E # label(zerotimesoneeqzero) # label(negated_conjecture).  [clausify(12)].
% 0.77/1.08  20 r4(A,B,f11(A,B)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 0.77/1.08  21 r4(A,f15(A),f14(A)) # label(axiom_5a) # label(axiom).  [clausify(9)].
% 0.77/1.08  22 r4(A,f10(A,B),f9(A,B)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 0.77/1.08  Derived: -r1(A) | -r2(A,B) | -r1(C) | -r1(D) | f11(C,B) != D.  [resolve(19,d,20,a)].
% 0.77/1.08  Derived: -r1(A) | -r2(A,f15(B)) | -r1(B) | -r1(C) | f14(B) != C.  [resolve(19,d,21,a)].
% 0.77/1.08  Derived: -r1(A) | -r2(A,f10(B,C)) | -r1(B) | -r1(D) | f9(B,C) != D.  [resolve(19,d,22,a)].
% 0.77/1.08  23 -r4(A,B,C) | C = f3(A,B) # label(axiom_4) # label(axiom).  [clausify(4)].
% 0.77/1.08  Derived: f11(A,B) = f3(A,B).  [resolve(23,a,20,a)].
% 0.77/1.08  Derived: f14(A) = f3(A,f15(A)).  [resolve(23,a,21,a)].
% 0.77/1.08  Derived: f9(A,B) = f3(A,f10(A,B)).  [resolve(23,a,22,a)].
% 0.77/1.08  24 A != f3(B,C) | r4(B,C,A) # label(axiom_4) # label(axiom).  [clausify(4)].
% 0.77/1.08  Derived: A != f3(B,C) | -r1(D) | -r2(D,C) | -r1(B) | -r1(E) | A != E.  [resolve(24,b,19,d)].
% 0.77/1.08  
% 0.77/1.08  ============================== end predicate elimination =============
% 0.77/1.08  
% 0.77/1.08  Auto_denials:  (non-Horn, no changes).
% 0.77/1.08  
% 0.77/1.08  Term ordering decisions:
% 0.77/1.08  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.
% 0.77/1.08  
% 0.77/1.08  ============================== end of process initial clauses ========
% 0.77/1.08  
% 0.77/1.08  ============================== CLAUSES FOR SEARCH ====================
% 0.77/1.08  
% 0.77/1.08  ============================== end of clauses for search =============
% 0.77/1.08  
% 0.77/1.08  ============================== SEARCH ================================
% 0.77/1.08  
% 0.77/1.08  % Starting search at 0.02 seconds.
% 0.77/1.08  
% 0.77/1.08  ============================== PROOF =================================
% 0.77/1.08  % SZS status Theorem
% 0.77/1.08  % SZS output start Refutation
% 0.77/1.08  
% 0.77/1.08  % Proof 1 at 0.06 (+ 0.00) seconds.
% 0.77/1.08  % Length of proof is 50.
% 0.77/1.08  % Level of proof is 6.
% 0.77/1.08  % Maximum clause weight is 17.000.
% 0.77/1.08  % Given clauses 87.
% 0.77/1.08  
% 0.77/1.08  1 (exists Y24 all X19 (-r1(X19) & X19 != Y24 | r1(X19) & X19 = Y24)) # label(axiom_1) # label(axiom) # label(non_clause).  [assumption].
% 0.77/1.08  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].
% 0.77/1.08  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].
% 0.77/1.08  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].
% 0.77/1.08  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].
% 0.77/1.08  8 (all X4 exists Y9 ((exists Y16 (r1(Y16) & r3(X4,Y16,Y9))) & Y9 = X4)) # label(axiom_4a) # label(axiom) # label(non_clause).  [assumption].
% 0.77/1.08  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].
% 0.77/1.08  12 -(exists Y1 ((exists Y2 ((exists Y3 (r1(Y3) & r2(Y3,Y2))) & (exists Y4 (r1(Y4) & r4(Y4,Y2,Y1))))) & (exists Y5 (r1(Y5) & Y1 = Y5)))) # label(zerotimesoneeqzero) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.77/1.08  13 -r3(A,B,C) | C = f2(A,B) # label(axiom_3) # label(axiom).  [clausify(3)].
% 0.77/1.08  15 r3(A,f13(A),f12(A)) # label(axiom_4a) # label(axiom).  [clausify(8)].
% 0.77/1.08  17 r3(f11(A,B),A,f8(A,B)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 0.77/1.08  19 -r1(A) | -r2(A,B) | -r1(C) | -r4(C,B,D) | -r1(E) | D != E # label(zerotimesoneeqzero) # label(negated_conjecture).  [clausify(12)].
% 0.77/1.08  20 r4(A,B,f11(A,B)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 0.77/1.08  21 r4(A,f15(A),f14(A)) # label(axiom_5a) # label(axiom).  [clausify(9)].
% 0.77/1.08  22 r4(A,f10(A,B),f9(A,B)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 0.77/1.08  23 -r4(A,B,C) | C = f3(A,B) # label(axiom_4) # label(axiom).  [clausify(4)].
% 0.77/1.08  24 A != f3(B,C) | r4(B,C,A) # label(axiom_4) # label(axiom).  [clausify(4)].
% 0.77/1.08  25 r1(f13(A)) # label(axiom_4a) # label(axiom).  [clausify(8)].
% 0.77/1.08  26 r1(f15(A)) # label(axiom_5a) # label(axiom).  [clausify(9)].
% 0.77/1.08  27 r1(f16(A)) # label(axiom_5a) # label(axiom).  [clausify(9)].
% 0.77/1.08  28 f12(A) = A # label(axiom_4a) # label(axiom).  [clausify(8)].
% 0.77/1.08  30 r2(A,f10(B,A)) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 0.77/1.08  31 f16(A) = f14(A) # label(axiom_5a) # label(axiom).  [clausify(9)].
% 0.77/1.08  34 f9(A,B) = f8(A,B) # label(axiom_2a) # label(axiom).  [clausify(6)].
% 0.77/1.08  40 -r1(A) | A = c1 # label(axiom_1) # label(axiom).  [clausify(1)].
% 0.77/1.08  41 -r1(A) | c1 = A.  [copy(40),flip(b)].
% 0.77/1.08  44 -r2(A,B) | B = f1(A) # label(axiom_2) # label(axiom).  [clausify(2)].
% 0.77/1.08  45 -r2(A,B) | f1(A) = B.  [copy(44),flip(b)].
% 0.77/1.08  50 f12(A) = f2(A,f13(A)).  [resolve(13,a,15,a)].
% 0.77/1.08  51 f2(A,f13(A)) = A.  [copy(50),rewrite([28(1)]),flip(a)].
% 0.77/1.08  54 f8(A,B) = f2(f11(A,B),A).  [resolve(13,a,17,a)].
% 0.77/1.08  59 f11(A,B) = f3(A,B).  [resolve(23,a,20,a)].
% 0.77/1.08  60 f14(A) = f3(A,f15(A)).  [resolve(23,a,21,a)].
% 0.77/1.08  61 f9(A,B) = f3(A,f10(A,B)).  [resolve(23,a,22,a)].
% 0.77/1.08  62 f3(A,f10(A,B)) = f2(f3(A,B),A).  [copy(61),rewrite([34(1),54(1),59(1)]),flip(a)].
% 0.77/1.08  63 A != f3(B,C) | -r1(D) | -r2(D,C) | -r1(B) | -r1(E) | A != E.  [resolve(24,b,19,d)].
% 0.77/1.08  64 f3(A,B) != C | -r1(D) | -r2(D,B) | -r1(A) | -r1(E) | C != E.  [copy(63),flip(a)].
% 0.77/1.08  65 r1(f3(A,f15(A))).  [back_rewrite(27),rewrite([31(1),60(1)])].
% 0.77/1.08  79 f3(A,B) != C | -r1(A) | -r2(A,B) | -r1(D) | C != D.  [factor(64,b,d)].
% 0.77/1.08  86 f3(A,B) != C | -r1(A) | -r2(A,B) | C != A.  [factor(79,b,d)].
% 0.77/1.08  102 f15(A) = c1.  [resolve(41,a,26,a),flip(a)].
% 0.77/1.08  103 f13(A) = c1.  [resolve(41,a,25,a),flip(a)].
% 0.77/1.08  108 r1(f3(A,c1)).  [back_rewrite(65),rewrite([102(1)])].
% 0.77/1.08  110 r1(c1).  [back_rewrite(26),rewrite([102(1)])].
% 0.77/1.08  111 f2(A,c1) = A.  [back_rewrite(51),rewrite([103(1)])].
% 0.77/1.08  115 f10(A,B) = f1(B).  [resolve(45,a,30,a),flip(a)].
% 0.77/1.08  125 f2(f3(A,B),A) = f3(A,f1(B)).  [back_rewrite(62),rewrite([115(1)]),flip(a)].
% 0.77/1.08  126 r2(A,f1(A)).  [back_rewrite(30),rewrite([115(1)])].
% 0.77/1.08  191 f3(A,c1) = c1.  [resolve(108,a,41,a),flip(a)].
% 0.77/1.08  291 $F.  [ur(86,a,125,a(flip),b,110,a,c,126,a),rewrite([191(3),111(3)]),xx(a)].
% 0.77/1.08  
% 0.77/1.08  % SZS output end Refutation
% 0.77/1.08  ============================== end of proof ==========================
% 0.77/1.08  
% 0.77/1.08  ============================== STATISTICS ============================
% 0.77/1.08  
% 0.77/1.08  Given=87. Generated=1220. Kept=257. proofs=1.
% 0.77/1.08  Usable=79. Sos=109. Demods=21. Limbo=1, Disabled=111. Hints=0.
% 0.77/1.08  Megabytes=0.28.
% 0.77/1.08  User_CPU=0.06, System_CPU=0.00, Wall_clock=0.
% 0.77/1.08  
% 0.77/1.08  ============================== end of statistics =====================
% 0.77/1.08  
% 0.77/1.08  ============================== end of search =========================
% 0.77/1.08  
% 0.77/1.08  THEOREM PROVED
% 0.77/1.08  % SZS status Theorem
% 0.77/1.08  
% 0.77/1.08  Exiting with 1 proof.
% 0.77/1.08  
% 0.77/1.08  Process 30870 exit (max_proofs) Thu Jun  2 06:33:32 2022
% 0.77/1.08  Prover9 interrupted
%------------------------------------------------------------------------------