TSTP Solution File: SEU126+2 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SEU126+2 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %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  : 600s
% DateTime : Tue Jul 19 13:29:09 EDT 2022

% Result   : Theorem 0.75s 1.09s
% Output   : Refutation 0.75s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SEU126+2 : TPTP v8.1.0. Released v3.3.0.
% 0.07/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n018.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  : 600
% 0.13/0.34  % DateTime : Mon Jun 20 10:32:35 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.43/1.02  ============================== Prover9 ===============================
% 0.43/1.02  Prover9 (32) version 2009-11A, November 2009.
% 0.43/1.02  Process 26138 was started by sandbox on n018.cluster.edu,
% 0.43/1.02  Mon Jun 20 10:32:36 2022
% 0.43/1.02  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_25792_n018.cluster.edu".
% 0.43/1.02  ============================== end of head ===========================
% 0.43/1.02  
% 0.43/1.02  ============================== INPUT =================================
% 0.43/1.02  
% 0.43/1.02  % Reading from file /tmp/Prover9_25792_n018.cluster.edu
% 0.43/1.02  
% 0.43/1.02  set(prolog_style_variables).
% 0.43/1.02  set(auto2).
% 0.43/1.02      % set(auto2) -> set(auto).
% 0.43/1.02      % set(auto) -> set(auto_inference).
% 0.43/1.02      % set(auto) -> set(auto_setup).
% 0.43/1.02      % set(auto_setup) -> set(predicate_elim).
% 0.43/1.02      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.43/1.02      % set(auto) -> set(auto_limits).
% 0.43/1.02      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.43/1.02      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.43/1.02      % set(auto) -> set(auto_denials).
% 0.43/1.02      % set(auto) -> set(auto_process).
% 0.43/1.02      % set(auto2) -> assign(new_constants, 1).
% 0.43/1.02      % set(auto2) -> assign(fold_denial_max, 3).
% 0.43/1.02      % set(auto2) -> assign(max_weight, "200.000").
% 0.43/1.02      % set(auto2) -> assign(max_hours, 1).
% 0.43/1.02      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.43/1.02      % set(auto2) -> assign(max_seconds, 0).
% 0.43/1.02      % set(auto2) -> assign(max_minutes, 5).
% 0.43/1.02      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.43/1.02      % set(auto2) -> set(sort_initial_sos).
% 0.43/1.02      % set(auto2) -> assign(sos_limit, -1).
% 0.43/1.02      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.43/1.02      % set(auto2) -> assign(max_megs, 400).
% 0.43/1.02      % set(auto2) -> assign(stats, some).
% 0.43/1.02      % set(auto2) -> clear(echo_input).
% 0.43/1.02      % set(auto2) -> set(quiet).
% 0.43/1.02      % set(auto2) -> clear(print_initial_clauses).
% 0.43/1.02      % set(auto2) -> clear(print_given).
% 0.43/1.02  assign(lrs_ticks,-1).
% 0.43/1.02  assign(sos_limit,10000).
% 0.43/1.02  assign(order,kbo).
% 0.43/1.02  set(lex_order_vars).
% 0.43/1.02  clear(print_given).
% 0.43/1.02  
% 0.43/1.02  % formulas(sos).  % not echoed (33 formulas)
% 0.43/1.02  
% 0.43/1.02  ============================== end of input ==========================
% 0.43/1.02  
% 0.43/1.02  % From the command line: assign(max_seconds, 300).
% 0.43/1.02  
% 0.43/1.02  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.43/1.02  
% 0.43/1.02  % Formulas that are not ordinary clauses:
% 0.43/1.02  1 (all A all B (in(A,B) -> -in(B,A))) # label(antisymmetry_r2_hidden) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  2 (all A all B set_union2(A,B) = set_union2(B,A)) # label(commutativity_k2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  3 (all A all B set_intersection2(A,B) = set_intersection2(B,A)) # label(commutativity_k3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  4 (all A all B (A = B <-> subset(A,B) & subset(B,A))) # label(d10_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  5 (all A (A = empty_set <-> (all B -in(B,A)))) # label(d1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  6 (all A all B all C (C = set_union2(A,B) <-> (all D (in(D,C) <-> in(D,A) | in(D,B))))) # label(d2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  7 (all A all B (subset(A,B) <-> (all C (in(C,A) -> in(C,B))))) # label(d3_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  8 (all A all B all C (C = set_intersection2(A,B) <-> (all D (in(D,C) <-> in(D,A) & in(D,B))))) # label(d3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  9 (all A all B (disjoint(A,B) <-> set_intersection2(A,B) = empty_set)) # label(d7_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  10 $T # label(dt_k1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  11 $T # label(dt_k2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  12 $T # label(dt_k3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  13 (all A all B (-empty(A) -> -empty(set_union2(A,B)))) # label(fc2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  14 (all A all B (-empty(A) -> -empty(set_union2(B,A)))) # label(fc3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  15 (all A all B set_union2(A,A) = A) # label(idempotence_k2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.43/1.02  16 (all A all B set_intersection2(A,A) = A) # label(idempotence_k3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  17 (exists A empty(A)) # label(rc1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  18 (exists A -empty(A)) # label(rc2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  19 (all A all B subset(A,A)) # label(reflexivity_r1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  20 (all A all B (disjoint(A,B) -> disjoint(B,A))) # label(symmetry_r1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  21 (all A set_union2(A,empty_set) = A) # label(t1_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  22 (all A all B all C (subset(A,B) & subset(B,C) -> subset(A,C))) # label(t1_xboole_1) # label(lemma) # label(non_clause).  [assumption].
% 0.75/1.09  23 (all A subset(empty_set,A)) # label(t2_xboole_1) # label(lemma) # label(non_clause).  [assumption].
% 0.75/1.09  24 (all A all B (-(-disjoint(A,B) & (all C -(in(C,A) & in(C,B)))) & -((exists C (in(C,A) & in(C,B))) & disjoint(A,B)))) # label(t3_xboole_0) # label(lemma) # label(non_clause).  [assumption].
% 0.75/1.09  25 (all A (subset(A,empty_set) -> A = empty_set)) # label(t3_xboole_1) # label(lemma) # label(non_clause).  [assumption].
% 0.75/1.09  26 (all A all B (-(-disjoint(A,B) & (all C -in(C,set_intersection2(A,B)))) & -((exists C in(C,set_intersection2(A,B))) & disjoint(A,B)))) # label(t4_xboole_0) # label(lemma) # label(non_clause).  [assumption].
% 0.75/1.09  27 (all A (empty(A) -> A = empty_set)) # label(t6_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  28 (all A all B -(in(A,B) & empty(B))) # label(t7_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  29 (all A all B subset(A,set_union2(A,B))) # label(t7_xboole_1) # label(lemma) # label(non_clause).  [assumption].
% 0.75/1.09  30 (all A all B -(empty(A) & A != B & empty(B))) # label(t8_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  31 (all A all B all C (subset(A,B) & subset(C,B) -> subset(set_union2(A,C),B))) # label(t8_xboole_1) # label(lemma) # label(non_clause).  [assumption].
% 0.75/1.09  32 -(all A all B (subset(A,B) -> set_union2(A,B) = B)) # label(t12_xboole_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.75/1.09  
% 0.75/1.09  ============================== end of process non-clausal formulas ===
% 0.75/1.09  
% 0.75/1.09  ============================== PROCESS INITIAL CLAUSES ===============
% 0.75/1.09  
% 0.75/1.09  ============================== PREDICATE ELIMINATION =================
% 0.75/1.09  
% 0.75/1.09  ============================== end predicate elimination =============
% 0.75/1.09  
% 0.75/1.09  Auto_denials:  (non-Horn, no changes).
% 0.75/1.09  
% 0.75/1.09  Term ordering decisions:
% 0.75/1.09  
% 0.75/1.09  % Assigning unary symbol f1 kb_weight 0 and highest precedence (18).
% 0.75/1.09  Function symbol KB weights:  empty_set=1. c1=1. c2=1. c3=1. c4=1. set_union2=1. set_intersection2=1. f3=1. f5=1. f6=1. f2=1. f4=1. f1=0.
% 0.75/1.09  
% 0.75/1.09  ============================== end of process initial clauses ========
% 0.75/1.09  
% 0.75/1.09  ============================== CLAUSES FOR SEARCH ====================
% 0.75/1.09  
% 0.75/1.09  ============================== end of clauses for search =============
% 0.75/1.09  
% 0.75/1.09  ============================== SEARCH ================================
% 0.75/1.09  
% 0.75/1.09  % Starting search at 0.02 seconds.
% 0.75/1.09  
% 0.75/1.09  ============================== PROOF =================================
% 0.75/1.09  % SZS status Theorem
% 0.75/1.09  % SZS output start Refutation
% 0.75/1.09  
% 0.75/1.09  % Proof 1 at 0.07 (+ 0.00) seconds.
% 0.75/1.09  % Length of proof is 16.
% 0.75/1.09  % Level of proof is 5.
% 0.75/1.09  % Maximum clause weight is 23.000.
% 0.75/1.09  % Given clauses 81.
% 0.75/1.09  
% 0.75/1.09  2 (all A all B set_union2(A,B) = set_union2(B,A)) # label(commutativity_k2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  6 (all A all B all C (C = set_union2(A,B) <-> (all D (in(D,C) <-> in(D,A) | in(D,B))))) # label(d2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  7 (all A all B (subset(A,B) <-> (all C (in(C,A) -> in(C,B))))) # label(d3_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.75/1.09  32 -(all A all B (subset(A,B) -> set_union2(A,B) = B)) # label(t12_xboole_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.75/1.09  37 subset(c3,c4) # label(t12_xboole_1) # label(negated_conjecture).  [clausify(32)].
% 0.75/1.09  42 set_union2(A,B) = set_union2(B,A) # label(commutativity_k2_xboole_0) # label(axiom).  [clausify(2)].
% 0.75/1.09  51 set_union2(A,B) = C | in(f2(A,B,C),C) | in(f2(A,B,C),A) | in(f2(A,B,C),B) # label(d2_xboole_0) # label(axiom).  [clausify(6)].
% 0.75/1.09  54 set_union2(c3,c4) != c4 # label(t12_xboole_1) # label(negated_conjecture).  [clausify(32)].
% 0.75/1.09  71 -subset(A,B) | -in(C,A) | in(C,B) # label(d3_tarski) # label(axiom).  [clausify(7)].
% 0.75/1.09  81 set_union2(A,B) = C | -in(f2(A,B,C),C) | -in(f2(A,B,C),B) # label(d2_xboole_0) # label(axiom).  [clausify(6)].
% 0.75/1.09  93 set_union2(A,B) = B | -in(f2(A,B,B),B).  [factor(81,b,c)].
% 0.75/1.09  155 -in(A,c3) | in(A,c4).  [resolve(71,a,37,a)].
% 0.75/1.09  488 -in(f2(c3,c4,c4),c4).  [ur(93,a,54,a)].
% 0.75/1.09  567 in(f2(c3,A,B),c4) | set_union2(A,c3) = B | in(f2(c3,A,B),B) | in(f2(c3,A,B),A).  [resolve(155,a,51,c),rewrite([42(6)])].
% 0.75/1.09  579 in(f2(c3,A,c4),c4) | set_union2(A,c3) = c4 | in(f2(c3,A,c4),A).  [factor(567,a,c)].
% 0.75/1.09  589 $F.  [factor(579,a,c),rewrite([42(9)]),unit_del(a,488),unit_del(b,54)].
% 0.75/1.09  
% 0.75/1.09  % SZS output end Refutation
% 0.75/1.09  ============================== end of proof ==========================
% 0.75/1.09  
% 0.75/1.09  ============================== STATISTICS ============================
% 0.75/1.09  
% 0.75/1.09  Given=81. Generated=1726. Kept=555. proofs=1.
% 0.75/1.09  Usable=75. Sos=431. Demods=7. Limbo=10, Disabled=89. Hints=0.
% 0.75/1.09  Megabytes=0.45.
% 0.75/1.09  User_CPU=0.08, System_CPU=0.00, Wall_clock=0.
% 0.75/1.09  
% 0.75/1.09  ============================== end of statistics =====================
% 0.75/1.09  
% 0.75/1.09  ============================== end of search =========================
% 0.75/1.09  
% 0.75/1.09  THEOREM PROVED
% 0.75/1.09  % SZS status Theorem
% 0.75/1.09  
% 0.75/1.09  Exiting with 1 proof.
% 0.75/1.09  
% 0.75/1.09  Process 26138 exit (max_proofs) Mon Jun 20 10:32:36 2022
% 0.75/1.09  Prover9 interrupted
%------------------------------------------------------------------------------