TSTP Solution File: SEU126+1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SEU126+1 : TPTP v8.1.0. Released v3.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n005.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 0.44s 1.01s
% Output   : Refutation 0.44s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SEU126+1 : TPTP v8.1.0. Released v3.3.0.
% 0.03/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n005.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 : Sun Jun 19 22:58:08 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.44/0.99  ============================== Prover9 ===============================
% 0.44/0.99  Prover9 (32) version 2009-11A, November 2009.
% 0.44/0.99  Process 3615 was started by sandbox on n005.cluster.edu,
% 0.44/0.99  Sun Jun 19 22:58:09 2022
% 0.44/0.99  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_3462_n005.cluster.edu".
% 0.44/0.99  ============================== end of head ===========================
% 0.44/0.99  
% 0.44/0.99  ============================== INPUT =================================
% 0.44/0.99  
% 0.44/0.99  % Reading from file /tmp/Prover9_3462_n005.cluster.edu
% 0.44/0.99  
% 0.44/0.99  set(prolog_style_variables).
% 0.44/0.99  set(auto2).
% 0.44/0.99      % set(auto2) -> set(auto).
% 0.44/0.99      % set(auto) -> set(auto_inference).
% 0.44/0.99      % set(auto) -> set(auto_setup).
% 0.44/0.99      % set(auto_setup) -> set(predicate_elim).
% 0.44/0.99      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.44/0.99      % set(auto) -> set(auto_limits).
% 0.44/0.99      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.44/0.99      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.44/0.99      % set(auto) -> set(auto_denials).
% 0.44/0.99      % set(auto) -> set(auto_process).
% 0.44/0.99      % set(auto2) -> assign(new_constants, 1).
% 0.44/0.99      % set(auto2) -> assign(fold_denial_max, 3).
% 0.44/0.99      % set(auto2) -> assign(max_weight, "200.000").
% 0.44/0.99      % set(auto2) -> assign(max_hours, 1).
% 0.44/0.99      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.44/0.99      % set(auto2) -> assign(max_seconds, 0).
% 0.44/0.99      % set(auto2) -> assign(max_minutes, 5).
% 0.44/0.99      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.44/0.99      % set(auto2) -> set(sort_initial_sos).
% 0.44/0.99      % set(auto2) -> assign(sos_limit, -1).
% 0.44/0.99      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.44/0.99      % set(auto2) -> assign(max_megs, 400).
% 0.44/0.99      % set(auto2) -> assign(stats, some).
% 0.44/0.99      % set(auto2) -> clear(echo_input).
% 0.44/0.99      % set(auto2) -> set(quiet).
% 0.44/0.99      % set(auto2) -> clear(print_initial_clauses).
% 0.44/0.99      % set(auto2) -> clear(print_given).
% 0.44/0.99  assign(lrs_ticks,-1).
% 0.44/0.99  assign(sos_limit,10000).
% 0.44/0.99  assign(order,kbo).
% 0.44/0.99  set(lex_order_vars).
% 0.44/0.99  clear(print_given).
% 0.44/0.99  
% 0.44/0.99  % formulas(sos).  % not echoed (19 formulas)
% 0.44/0.99  
% 0.44/0.99  ============================== end of input ==========================
% 0.44/0.99  
% 0.44/0.99  % From the command line: assign(max_seconds, 300).
% 0.44/0.99  
% 0.44/0.99  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.44/0.99  
% 0.44/0.99  % Formulas that are not ordinary clauses:
% 0.44/0.99  1 (all A all B (in(A,B) -> -in(B,A))) # label(antisymmetry_r2_hidden) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  2 (all A all B set_union2(A,B) = set_union2(B,A)) # label(commutativity_k2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  3 (all A all B (A = B <-> subset(A,B) & subset(B,A))) # label(d10_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  4 (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].
% 0.44/0.99  5 (all A all B (subset(A,B) <-> (all C (in(C,A) -> in(C,B))))) # label(d3_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  6 $T # label(dt_k1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  7 $T # label(dt_k2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  8 (all A all B (-empty(A) -> -empty(set_union2(A,B)))) # label(fc2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  9 (all A all B (-empty(A) -> -empty(set_union2(B,A)))) # label(fc3_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  10 (all A all B set_union2(A,A) = A) # label(idempotence_k2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  11 (exists A empty(A)) # label(rc1_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  12 (exists A -empty(A)) # label(rc2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  13 (all A all B subset(A,A)) # label(reflexivity_r1_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  14 (all A set_union2(A,empty_set) = A) # label(t1_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  15 (all A (empty(A) -> A = empty_set)) # label(t6_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  16 (all A all B -(in(A,B) & empty(B))) # label(t7_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  17 (all A all B -(empty(A) & A != B & empty(B))) # label(t8_boole) # label(axiom) # label(non_clause).  [assumption].
% 0.44/0.99  18 -(all A all B (subset(A,B) -> set_union2(A,B) = B)) # label(t12_xboole_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.44/1.01  
% 0.44/1.01  ============================== end of process non-clausal formulas ===
% 0.44/1.01  
% 0.44/1.01  ============================== PROCESS INITIAL CLAUSES ===============
% 0.44/1.01  
% 0.44/1.01  ============================== PREDICATE ELIMINATION =================
% 0.44/1.01  
% 0.44/1.01  ============================== end predicate elimination =============
% 0.44/1.01  
% 0.44/1.01  Auto_denials:  (non-Horn, no changes).
% 0.44/1.01  
% 0.44/1.01  Term ordering decisions:
% 0.44/1.01  Function symbol KB weights:  empty_set=1. c1=1. c2=1. c3=1. c4=1. set_union2=1. f2=1. f1=1.
% 0.44/1.01  
% 0.44/1.01  ============================== end of process initial clauses ========
% 0.44/1.01  
% 0.44/1.01  ============================== CLAUSES FOR SEARCH ====================
% 0.44/1.01  
% 0.44/1.01  ============================== end of clauses for search =============
% 0.44/1.01  
% 0.44/1.01  ============================== SEARCH ================================
% 0.44/1.01  
% 0.44/1.01  % Starting search at 0.01 seconds.
% 0.44/1.01  
% 0.44/1.01  ============================== PROOF =================================
% 0.44/1.01  % SZS status Theorem
% 0.44/1.01  % SZS output start Refutation
% 0.44/1.01  
% 0.44/1.01  % Proof 1 at 0.03 (+ 0.00) seconds.
% 0.44/1.01  % Length of proof is 16.
% 0.44/1.01  % Level of proof is 5.
% 0.44/1.01  % Maximum clause weight is 23.000.
% 0.44/1.01  % Given clauses 41.
% 0.44/1.01  
% 0.44/1.01  2 (all A all B set_union2(A,B) = set_union2(B,A)) # label(commutativity_k2_xboole_0) # label(axiom) # label(non_clause).  [assumption].
% 0.44/1.01  4 (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].
% 0.44/1.01  5 (all A all B (subset(A,B) <-> (all C (in(C,A) -> in(C,B))))) # label(d3_tarski) # label(axiom) # label(non_clause).  [assumption].
% 0.44/1.01  18 -(all A all B (subset(A,B) -> set_union2(A,B) = B)) # label(t12_xboole_1) # label(negated_conjecture) # label(non_clause).  [assumption].
% 0.44/1.01  22 subset(c3,c4) # label(t12_xboole_1) # label(negated_conjecture).  [clausify(18)].
% 0.44/1.01  25 set_union2(A,B) = set_union2(B,A) # label(commutativity_k2_xboole_0) # label(axiom).  [clausify(2)].
% 0.44/1.01  27 set_union2(A,B) = C | in(f1(A,B,C),C) | in(f1(A,B,C),A) | in(f1(A,B,C),B) # label(d2_xboole_0) # label(axiom).  [clausify(4)].
% 0.44/1.01  30 set_union2(c3,c4) != c4 # label(t12_xboole_1) # label(negated_conjecture).  [clausify(18)].
% 0.44/1.01  40 -subset(A,B) | -in(C,A) | in(C,B) # label(d3_tarski) # label(axiom).  [clausify(5)].
% 0.44/1.01  45 set_union2(A,B) = C | -in(f1(A,B,C),C) | -in(f1(A,B,C),B) # label(d2_xboole_0) # label(axiom).  [clausify(4)].
% 0.44/1.01  52 set_union2(A,B) = B | -in(f1(A,B,B),B).  [factor(45,b,c)].
% 0.44/1.01  73 -in(A,c3) | in(A,c4).  [resolve(40,a,22,a)].
% 0.44/1.01  184 -in(f1(c3,c4,c4),c4).  [ur(52,a,30,a)].
% 0.44/1.01  206 in(f1(c3,A,B),c4) | set_union2(A,c3) = B | in(f1(c3,A,B),B) | in(f1(c3,A,B),A).  [resolve(73,a,27,c),rewrite([25(6)])].
% 0.44/1.01  213 in(f1(c3,A,c4),c4) | set_union2(A,c3) = c4 | in(f1(c3,A,c4),A).  [factor(206,a,c)].
% 0.44/1.01  219 $F.  [factor(213,a,c),rewrite([25(9)]),unit_del(a,184),unit_del(b,30)].
% 0.44/1.01  
% 0.44/1.01  % SZS output end Refutation
% 0.44/1.01  ============================== end of proof ==========================
% 0.44/1.01  
% 0.44/1.01  ============================== STATISTICS ============================
% 0.44/1.01  
% 0.44/1.01  Given=41. Generated=583. Kept=199. proofs=1.
% 0.44/1.01  Usable=38. Sos=133. Demods=4. Limbo=6, Disabled=49. Hints=0.
% 0.44/1.01  Megabytes=0.18.
% 0.44/1.01  User_CPU=0.03, System_CPU=0.00, Wall_clock=0.
% 0.44/1.01  
% 0.44/1.01  ============================== end of statistics =====================
% 0.44/1.01  
% 0.44/1.01  ============================== end of search =========================
% 0.44/1.01  
% 0.44/1.01  THEOREM PROVED
% 0.44/1.01  % SZS status Theorem
% 0.44/1.01  
% 0.44/1.01  Exiting with 1 proof.
% 0.44/1.01  
% 0.44/1.01  Process 3615 exit (max_proofs) Sun Jun 19 22:58:09 2022
% 0.44/1.01  Prover9 interrupted
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