TSTP Solution File: SYO664-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : SYO664-1 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n028.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 : Thu Jul 21 19:17:52 EDT 2022

% Result   : Unsatisfiable 5.85s 6.12s
% Output   : Refutation 5.85s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SYO664-1 : TPTP v8.1.0. Released v7.3.0.
% 0.07/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n028.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 : Fri Jul  8 20:28:10 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 5.85/6.12  ============================== Prover9 ===============================
% 5.85/6.12  Prover9 (32) version 2009-11A, November 2009.
% 5.85/6.12  Process 22053 was started by sandbox2 on n028.cluster.edu,
% 5.85/6.12  Fri Jul  8 20:28:11 2022
% 5.85/6.12  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_21708_n028.cluster.edu".
% 5.85/6.12  ============================== end of head ===========================
% 5.85/6.12  
% 5.85/6.12  ============================== INPUT =================================
% 5.85/6.12  
% 5.85/6.12  % Reading from file /tmp/Prover9_21708_n028.cluster.edu
% 5.85/6.12  
% 5.85/6.12  set(prolog_style_variables).
% 5.85/6.12  set(auto2).
% 5.85/6.12      % set(auto2) -> set(auto).
% 5.85/6.12      % set(auto) -> set(auto_inference).
% 5.85/6.12      % set(auto) -> set(auto_setup).
% 5.85/6.12      % set(auto_setup) -> set(predicate_elim).
% 5.85/6.12      % set(auto_setup) -> assign(eq_defs, unfold).
% 5.85/6.12      % set(auto) -> set(auto_limits).
% 5.85/6.12      % set(auto_limits) -> assign(max_weight, "100.000").
% 5.85/6.12      % set(auto_limits) -> assign(sos_limit, 20000).
% 5.85/6.12      % set(auto) -> set(auto_denials).
% 5.85/6.12      % set(auto) -> set(auto_process).
% 5.85/6.12      % set(auto2) -> assign(new_constants, 1).
% 5.85/6.12      % set(auto2) -> assign(fold_denial_max, 3).
% 5.85/6.12      % set(auto2) -> assign(max_weight, "200.000").
% 5.85/6.12      % set(auto2) -> assign(max_hours, 1).
% 5.85/6.12      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 5.85/6.12      % set(auto2) -> assign(max_seconds, 0).
% 5.85/6.12      % set(auto2) -> assign(max_minutes, 5).
% 5.85/6.12      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 5.85/6.12      % set(auto2) -> set(sort_initial_sos).
% 5.85/6.12      % set(auto2) -> assign(sos_limit, -1).
% 5.85/6.12      % set(auto2) -> assign(lrs_ticks, 3000).
% 5.85/6.12      % set(auto2) -> assign(max_megs, 400).
% 5.85/6.12      % set(auto2) -> assign(stats, some).
% 5.85/6.12      % set(auto2) -> clear(echo_input).
% 5.85/6.12      % set(auto2) -> set(quiet).
% 5.85/6.12      % set(auto2) -> clear(print_initial_clauses).
% 5.85/6.12      % set(auto2) -> clear(print_given).
% 5.85/6.12  assign(lrs_ticks,-1).
% 5.85/6.12  assign(sos_limit,10000).
% 5.85/6.12  assign(order,kbo).
% 5.85/6.12  set(lex_order_vars).
% 5.85/6.12  clear(print_given).
% 5.85/6.12  
% 5.85/6.12  % formulas(sos).  % not echoed (10 formulas)
% 5.85/6.12  
% 5.85/6.12  ============================== end of input ==========================
% 5.85/6.12  
% 5.85/6.12  % From the command line: assign(max_seconds, 300).
% 5.85/6.12  
% 5.85/6.12  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 5.85/6.12  
% 5.85/6.12  % Formulas that are not ordinary clauses:
% 5.85/6.12  
% 5.85/6.12  ============================== end of process non-clausal formulas ===
% 5.85/6.12  
% 5.85/6.12  ============================== PROCESS INITIAL CLAUSES ===============
% 5.85/6.12  
% 5.85/6.12  ============================== PREDICATE ELIMINATION =================
% 5.85/6.12  
% 5.85/6.12  ============================== end predicate elimination =============
% 5.85/6.12  
% 5.85/6.12  Auto_denials:  (non-Horn, no changes).
% 5.85/6.12  
% 5.85/6.12  Term ordering decisions:
% 5.85/6.12  Function symbol KB weights:  0=1. z=1. f=1. s=1. suc=1.
% 5.85/6.12  
% 5.85/6.12  ============================== end of process initial clauses ========
% 5.85/6.12  
% 5.85/6.12  ============================== CLAUSES FOR SEARCH ====================
% 5.85/6.12  
% 5.85/6.12  ============================== end of clauses for search =============
% 5.85/6.12  
% 5.85/6.12  ============================== SEARCH ================================
% 5.85/6.12  
% 5.85/6.12  % Starting search at 4.81 seconds.
% 5.85/6.12  
% 5.85/6.12  NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 36 (0.00 of 4.83 sec).
% 5.85/6.12  
% 5.85/6.12  ============================== PROOF =================================
% 5.85/6.12  % SZS status Unsatisfiable
% 5.85/6.12  % SZS output start Refutation
% 5.85/6.12  
% 5.85/6.12  % Proof 1 at 5.11 (+ 0.01) seconds.
% 5.85/6.12  % Length of proof is 29.
% 5.85/6.12  % Level of proof is 13.
% 5.85/6.12  % Maximum clause weight is 75.000.
% 5.85/6.12  % Given clauses 1084.
% 5.85/6.12  
% 5.85/6.12  1 LE(f(A),s(s(0))) # label(clause_58) # label(axiom).  [assumption].
% 5.85/6.12  2 -LE(f(z),0) # label(clause_70) # label(axiom).  [assumption].
% 5.85/6.12  3 -E(0,f(A)) | -E(0,f(suc(B))) | -E(0,f(suc(C))) | -iLEQ(suc(C),suc(B)) | -iLEQ(suc(B),suc(D)) | -E(0,f(suc(A))) | -E(0,f(C)) | -iLEQ(suc(D),suc(A)) | -E(0,f(E)) | -iLEQ(suc(A),suc(E)) | -E(0,f(suc(D))) | -E(0,f(B)) | -E(0,f(suc(E))) | -E(0,f(D)) # label(clause_66) # label(axiom).  [assumption].
% 5.85/6.12  4 -E(s(0),f(suc(A))) | -E(s(0),f(A)) | -E(s(0),f(suc(B))) | -E(s(0),f(suc(C))) | -E(s(0),f(D)) | -E(s(0),f(suc(D))) | -iLEQ(suc(D),suc(C)) | -E(s(0),f(C)) | -iLEQ(suc(E),suc(A)) | -E(s(0),f(B)) | -E(s(0),f(E)) | -iLEQ(suc(A),suc(B)) | -iLEQ(suc(C),suc(E)) | -E(s(0),f(suc(E))) # label(clause_37) # label(axiom).  [assumption].
% 5.85/6.12  5 -LE(f(A),s(0)) | E(0,f(A)) | LE(f(A),0) # label(clause_94) # label(axiom).  [assumption].
% 5.85/6.12  6 -E(0,f(A)) | -E(0,f(suc(A))) | iLEQ(suc(A),suc(A)) # label(clause_6) # label(axiom).  [assumption].
% 5.85/6.12  7 -LE(f(suc(A)),s(0)) | E(0,f(suc(A))) | LE(f(A),0) # label(clause_117) # label(axiom).  [assumption].
% 5.85/6.12  8 -LE(f(A),s(s(0))) | E(s(0),f(A)) | LE(f(A),s(0)) # label(clause_20) # label(axiom).  [assumption].
% 5.85/6.12  9 E(s(0),f(A)) | LE(f(A),s(0)).  [copy(8),unit_del(a,1)].
% 5.85/6.12  10 -E(s(0),f(A)) | -E(s(0),f(suc(A))) | iLEQ(suc(A),suc(A)) # label(clause_50) # label(axiom).  [assumption].
% 5.85/6.12  11 -LE(f(suc(A)),s(s(0))) | E(s(0),f(suc(A))) | LE(f(A),s(0)) # label(clause_83) # label(axiom).  [assumption].
% 5.85/6.12  12 E(s(0),f(suc(A))) | LE(f(A),s(0)).  [copy(11),unit_del(a,1)].
% 5.85/6.12  26 -E(0,f(A)) | -E(0,f(suc(B))) | -iLEQ(suc(B),suc(B)) | -E(0,f(suc(A))) | -E(0,f(B)) | -iLEQ(suc(B),suc(A)) | -E(0,f(C)) | -iLEQ(suc(A),suc(C)) | -E(0,f(suc(C))).  [factor(3,d,e),merge(c),merge(j),merge(k),merge(m)].
% 5.85/6.12  61 -E(s(0),f(suc(A))) | -E(s(0),f(A)) | -E(s(0),f(suc(B))) | -E(s(0),f(C)) | -E(s(0),f(suc(C))) | -iLEQ(suc(C),suc(A)) | -E(s(0),f(B)) | -iLEQ(suc(A),suc(B)) | -iLEQ(suc(A),suc(C)).  [factor(4,g,i),merge(d),merge(h),merge(j),merge(m)].
% 5.85/6.12  180 -E(0,f(A)) | -E(0,f(suc(A))) | -iLEQ(suc(A),suc(A)).  [factor(26,c,h),merge(d),merge(e),merge(f),merge(g),merge(h)].
% 5.85/6.12  340 -E(s(0),f(suc(A))) | -E(s(0),f(A)) | -iLEQ(suc(A),suc(A)).  [factor(61,f,h),merge(c),merge(d),merge(e),merge(g),merge(h)].
% 5.85/6.12  1100 LE(f(A),s(0)) | -E(s(0),f(A)) | iLEQ(suc(A),suc(A)).  [resolve(12,a,10,b)].
% 5.85/6.12  1104 LE(f(A),s(0)) | iLEQ(suc(A),suc(A)).  [resolve(1100,b,9,a),merge(c)].
% 5.85/6.12  1265 LE(f(A),s(0)) | -E(s(0),f(suc(A))) | -E(s(0),f(A)).  [resolve(1104,b,340,c)].
% 5.85/6.12  1299 LE(f(A),s(0)) | -E(s(0),f(A)).  [resolve(1265,b,12,a),merge(c)].
% 5.85/6.12  1301 LE(f(A),s(0)).  [resolve(1299,b,9,a),merge(b)].
% 5.85/6.12  1302 E(0,f(suc(A))) | LE(f(A),0).  [back_unit_del(7),unit_del(a,1301)].
% 5.85/6.12  1303 E(0,f(A)) | LE(f(A),0).  [back_unit_del(5),unit_del(a,1301)].
% 5.85/6.12  1305 LE(f(A),0) | -E(0,f(A)) | iLEQ(suc(A),suc(A)).  [resolve(1302,a,6,b)].
% 5.85/6.12  1306 LE(f(A),0) | iLEQ(suc(A),suc(A)).  [resolve(1305,b,1303,a),merge(c)].
% 5.85/6.12  1495 LE(f(A),0) | -E(0,f(A)) | -E(0,f(suc(A))).  [resolve(1306,b,180,c)].
% 5.85/6.12  1497 LE(f(A),0) | -E(0,f(A)).  [resolve(1495,c,1302,a),merge(c)].
% 5.85/6.12  1498 LE(f(A),0).  [resolve(1497,b,1303,a),merge(b)].
% 5.85/6.12  1499 $F.  [resolve(1498,a,2,a)].
% 5.85/6.12  
% 5.85/6.12  % SZS output end Refutation
% 5.85/6.12  ============================== end of proof ==========================
% 5.85/6.12  
% 5.85/6.12  ============================== STATISTICS ============================
% 5.85/6.12  
% 5.85/6.12  Given=1084. Generated=20036. Kept=1496. proofs=1.
% 5.85/6.12  Usable=1082. Sos=381. Demods=0. Limbo=0, Disabled=42. Hints=0.
% 5.85/6.12  Megabytes=2.96.
% 5.85/6.12  User_CPU=5.11, System_CPU=0.01, Wall_clock=5.
% 5.85/6.12  
% 5.85/6.12  ============================== end of statistics =====================
% 5.85/6.12  
% 5.85/6.12  ============================== end of search =========================
% 5.85/6.12  
% 5.85/6.12  THEOREM PROVED
% 5.85/6.12  % SZS status Unsatisfiable
% 5.85/6.12  
% 5.85/6.12  Exiting with 1 proof.
% 5.85/6.12  
% 5.85/6.12  Process 22053 exit (max_proofs) Fri Jul  8 20:28:16 2022
% 5.85/6.12  Prover9 interrupted
%------------------------------------------------------------------------------