TSTP Solution File: NUM283-1.005 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : NUM283-1.005 : TPTP v8.1.0. Released v1.0.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n006.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 13:26:25 EDT 2022

% Result   : Unsatisfiable 0.97s 1.23s
% Output   : Refutation 0.97s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : NUM283-1.005 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.12  % Command  : tptp2X_and_run_prover9 %d %s
% 0.12/0.33  % Computer : n006.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 Jul  7 01:08:21 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.97/1.23  ============================== Prover9 ===============================
% 0.97/1.23  Prover9 (32) version 2009-11A, November 2009.
% 0.97/1.23  Process 14415 was started by sandbox on n006.cluster.edu,
% 0.97/1.23  Thu Jul  7 01:08:22 2022
% 0.97/1.23  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_14262_n006.cluster.edu".
% 0.97/1.23  ============================== end of head ===========================
% 0.97/1.23  
% 0.97/1.23  ============================== INPUT =================================
% 0.97/1.23  
% 0.97/1.23  % Reading from file /tmp/Prover9_14262_n006.cluster.edu
% 0.97/1.23  
% 0.97/1.23  set(prolog_style_variables).
% 0.97/1.23  set(auto2).
% 0.97/1.23      % set(auto2) -> set(auto).
% 0.97/1.23      % set(auto) -> set(auto_inference).
% 0.97/1.23      % set(auto) -> set(auto_setup).
% 0.97/1.23      % set(auto_setup) -> set(predicate_elim).
% 0.97/1.23      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.97/1.23      % set(auto) -> set(auto_limits).
% 0.97/1.23      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.97/1.23      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.97/1.23      % set(auto) -> set(auto_denials).
% 0.97/1.23      % set(auto) -> set(auto_process).
% 0.97/1.23      % set(auto2) -> assign(new_constants, 1).
% 0.97/1.23      % set(auto2) -> assign(fold_denial_max, 3).
% 0.97/1.23      % set(auto2) -> assign(max_weight, "200.000").
% 0.97/1.23      % set(auto2) -> assign(max_hours, 1).
% 0.97/1.23      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.97/1.23      % set(auto2) -> assign(max_seconds, 0).
% 0.97/1.23      % set(auto2) -> assign(max_minutes, 5).
% 0.97/1.23      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.97/1.23      % set(auto2) -> set(sort_initial_sos).
% 0.97/1.23      % set(auto2) -> assign(sos_limit, -1).
% 0.97/1.23      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.97/1.23      % set(auto2) -> assign(max_megs, 400).
% 0.97/1.23      % set(auto2) -> assign(stats, some).
% 0.97/1.23      % set(auto2) -> clear(echo_input).
% 0.97/1.23      % set(auto2) -> set(quiet).
% 0.97/1.23      % set(auto2) -> clear(print_initial_clauses).
% 0.97/1.23      % set(auto2) -> clear(print_given).
% 0.97/1.23  assign(lrs_ticks,-1).
% 0.97/1.23  assign(sos_limit,10000).
% 0.97/1.23  assign(order,kbo).
% 0.97/1.23  set(lex_order_vars).
% 0.97/1.23  clear(print_given).
% 0.97/1.23  
% 0.97/1.23  % formulas(sos).  % not echoed (7 formulas)
% 0.97/1.23  
% 0.97/1.23  ============================== end of input ==========================
% 0.97/1.23  
% 0.97/1.23  % From the command line: assign(max_seconds, 300).
% 0.97/1.23  
% 0.97/1.23  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.97/1.23  
% 0.97/1.23  % Formulas that are not ordinary clauses:
% 0.97/1.23  
% 0.97/1.23  ============================== end of process non-clausal formulas ===
% 0.97/1.23  
% 0.97/1.23  ============================== PROCESS INITIAL CLAUSES ===============
% 0.97/1.23  
% 0.97/1.23  ============================== PREDICATE ELIMINATION =================
% 0.97/1.23  
% 0.97/1.23  ============================== end predicate elimination =============
% 0.97/1.23  
% 0.97/1.23  Auto_denials:
% 0.97/1.23    % copying label prove_factorial to answer in negative clause
% 0.97/1.23  
% 0.97/1.23  Term ordering decisions:
% 0.97/1.23  
% 0.97/1.23  % Assigning unary symbol s kb_weight 0 and highest precedence (5).
% 0.97/1.23  Function symbol KB weights:  n0=1. s=0.
% 0.97/1.23  
% 0.97/1.23  ============================== end of process initial clauses ========
% 0.97/1.23  
% 0.97/1.23  ============================== CLAUSES FOR SEARCH ====================
% 0.97/1.23  
% 0.97/1.23  ============================== end of clauses for search =============
% 0.97/1.23  
% 0.97/1.23  ============================== SEARCH ================================
% 0.97/1.23  
% 0.97/1.23  % Starting search at 0.01 seconds.
% 0.97/1.23  
% 0.97/1.23  ============================== PROOF =================================
% 0.97/1.23  % SZS status Unsatisfiable
% 0.97/1.23  % SZS output start Refutation
% 0.97/1.23  
% 0.97/1.23  % Proof 1 at 0.25 (+ 0.00) seconds: prove_factorial.
% 0.97/1.23  % Length of proof is 48.
% 0.97/1.23  % Level of proof is 26.
% 0.97/1.23  % Maximum clause weight is 78.000.
% 0.97/1.23  % Given clauses 355.
% 0.97/1.23  
% 0.97/1.23  1 sum(A,n0,A) # label(add_0) # label(axiom).  [assumption].
% 0.97/1.23  2 factorial(n0,s(n0)) # label(factorial_0) # label(axiom).  [assumption].
% 0.97/1.23  3 product(s(n0),A,A) # label(times1) # label(axiom).  [assumption].
% 0.97/1.23  4 -factorial(s(s(s(s(s(n0))))),A) # label(prove_factorial) # label(negated_conjecture) # answer(prove_factorial).  [assumption].
% 0.97/1.23  5 -sum(A,B,C) | sum(A,s(B),s(C)) # label(add) # label(axiom).  [assumption].
% 0.97/1.23  6 -factorial(A,B) | -product(s(A),B,C) | factorial(s(A),C) # label(factorial) # label(axiom).  [assumption].
% 0.97/1.23  7 -sum(A,B,C) | -product(D,B,A) | product(s(D),B,C) # label(times) # label(axiom).  [assumption].
% 0.97/1.23  8 sum(A,s(n0),s(A)).  [ur(5,a,1,a)].
% 0.97/1.23  9 -factorial(s(s(s(s(n0)))),A) | -product(s(s(s(s(s(n0))))),A,B) # answer(prove_factorial).  [resolve(6,c,4,a)].
% 0.97/1.23  10 factorial(s(n0),s(n0)).  [ur(6,a,2,a,b,3,a)].
% 0.97/1.23  12 product(s(s(n0)),s(n0),s(s(n0))).  [ur(7,a,8,a,b,3,a)].
% 0.97/1.23  13 sum(A,s(s(n0)),s(s(A))).  [ur(5,a,8,a)].
% 0.97/1.23  15 -factorial(s(s(s(s(n0)))),A) | -sum(B,A,C) | -product(s(s(s(s(n0)))),A,B) # answer(prove_factorial).  [resolve(9,b,7,c)].
% 0.97/1.23  20 -factorial(s(s(s(s(n0)))),A) | -sum(B,A,C) | -sum(D,A,B) | -product(s(s(s(n0))),A,D) # answer(prove_factorial).  [resolve(15,c,7,c)].
% 0.97/1.23  28 product(s(s(n0)),s(s(n0)),s(s(s(s(n0))))).  [ur(7,a,13,a,b,3,a)].
% 0.97/1.23  29 sum(A,s(s(s(n0))),s(s(s(A)))).  [ur(5,a,13,a)].
% 0.97/1.23  31 factorial(s(s(n0)),s(s(n0))).  [ur(6,a,10,a,b,12,a)].
% 0.97/1.23  49 sum(A,s(s(s(s(n0)))),s(s(s(s(A))))).  [ur(5,a,29,a)].
% 0.97/1.23  65 product(s(s(s(n0))),s(s(n0)),s(s(s(s(s(s(n0))))))).  [ur(7,a,13,a,b,28,a)].
% 0.97/1.23  79 sum(A,s(s(s(s(s(n0))))),s(s(s(s(s(A)))))).  [ur(5,a,49,a)].
% 0.97/1.23  98 sum(A,s(s(s(s(s(s(n0)))))),s(s(s(s(s(s(A))))))).  [ur(5,a,79,a)].
% 0.97/1.23  103 factorial(s(s(s(n0))),s(s(s(s(s(s(n0))))))).  [ur(6,a,31,a,b,65,a)].
% 0.97/1.23  114 -factorial(s(s(s(s(n0)))),A) | -sum(B,A,C) | -sum(D,A,B) | -sum(E,A,D) | -product(s(s(n0)),A,E) # answer(prove_factorial).  [resolve(20,d,7,c)].
% 0.97/1.23  130 product(s(s(n0)),s(s(s(s(s(s(n0)))))),s(s(s(s(s(s(s(s(s(s(s(s(n0))))))))))))).  [ur(7,a,98,a,b,3,a)].
% 0.97/1.23  131 sum(A,s(s(s(s(s(s(s(n0))))))),s(s(s(s(s(s(s(A)))))))).  [ur(5,a,98,a)].
% 0.97/1.23  169 sum(A,s(s(s(s(s(s(s(s(n0)))))))),s(s(s(s(s(s(s(s(A))))))))).  [ur(5,a,131,a)].
% 0.97/1.23  206 sum(A,s(s(s(s(s(s(s(s(s(n0))))))))),s(s(s(s(s(s(s(s(s(A)))))))))).  [ur(5,a,169,a)].
% 0.97/1.23  251 sum(A,s(s(s(s(s(s(s(s(s(s(n0)))))))))),s(s(s(s(s(s(s(s(s(s(A))))))))))).  [ur(5,a,206,a)].
% 0.97/1.23  286 product(s(s(s(n0))),s(s(s(s(s(s(n0)))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0))))))))))))))))))).  [ur(7,a,98,a,b,130,a)].
% 0.97/1.23  325 sum(A,s(s(s(s(s(s(s(s(s(s(s(n0))))))))))),s(s(s(s(s(s(s(s(s(s(s(A)))))))))))).  [ur(5,a,251,a)].
% 0.97/1.23  381 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(n0)))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(A))))))))))))).  [ur(5,a,325,a)].
% 0.97/1.23  485 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(n0))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(A)))))))))))))).  [ur(5,a,381,a)].
% 0.97/1.23  525 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0)))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(A))))))))))))))).  [ur(5,a,485,a)].
% 0.97/1.23  540 product(s(s(s(s(n0)))),s(s(s(s(s(s(n0)))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0))))))))))))))))))))))))).  [ur(7,a,98,a,b,286,a)].
% 0.97/1.23  581 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0))))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(A)))))))))))))))).  [ur(5,a,525,a)].
% 0.97/1.23  702 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0)))))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(A))))))))))))))))).  [ur(5,a,581,a)].
% 0.97/1.23  763 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0))))))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(A)))))))))))))))))).  [ur(5,a,702,a)].
% 0.97/1.23  781 factorial(s(s(s(s(n0)))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0))))))))))))))))))))))))).  [ur(6,a,103,a,b,540,a)].
% 0.97/1.23  846 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0)))))))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(A))))))))))))))))))).  [ur(5,a,763,a)].
% 0.97/1.23  992 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0))))))))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(A)))))))))))))))))))).  [ur(5,a,846,a)].
% 0.97/1.23  1044 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0)))))))))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(A))))))))))))))))))))).  [ur(5,a,992,a)].
% 0.97/1.23  1179 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0))))))))))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(A)))))))))))))))))))))).  [ur(5,a,1044,a)].
% 0.97/1.23  1314 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0)))))))))))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(A))))))))))))))))))))))).  [ur(5,a,1179,a)].
% 0.97/1.23  1423 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0))))))))))))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(A)))))))))))))))))))))))).  [ur(5,a,1314,a)].
% 0.97/1.23  1471 sum(A,s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0)))))))))))))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(A))))))))))))))))))))))))).  [ur(5,a,1423,a)].
% 0.97/1.23  1582 product(s(s(n0)),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0)))))))))))))))))))))))),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0))))))))))))))))))))))))))))))))))))))))))))))))).  [ur(7,a,1471,a,b,3,a)].
% 0.97/1.23  1584 -product(s(s(n0)),s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(s(n0)))))))))))))))))))))))),A) # answer(prove_factorial).  [ur(114,a,781,a,b,1471,a,c,1471,a,d,1471,a)].
% 0.97/1.23  1585 $F # answer(prove_factorial).  [resolve(1584,a,1582,a)].
% 0.97/1.23  
% 0.97/1.23  % SZS output end Refutation
% 0.97/1.23  ============================== end of proof ==========================
% 0.97/1.23  
% 0.97/1.23  ============================== STATISTICS ============================
% 0.97/1.23  
% 0.97/1.23  Given=355. Generated=2589. Kept=1584. proofs=1.
% 0.97/1.23  Usable=344. Sos=991. Demods=0. Limbo=26, Disabled=229. Hints=0.
% 0.97/1.23  Megabytes=2.61.
% 0.97/1.23  User_CPU=0.25, System_CPU=0.00, Wall_clock=0.
% 0.97/1.23  
% 0.97/1.23  ============================== end of statistics =====================
% 0.97/1.23  
% 0.97/1.23  ============================== end of search =========================
% 0.97/1.23  
% 0.97/1.23  THEOREM PROVED
% 0.97/1.23  % SZS status Unsatisfiable
% 0.97/1.23  
% 0.97/1.23  Exiting with 1 proof.
% 0.97/1.23  
% 0.97/1.23  Process 14415 exit (max_proofs) Thu Jul  7 01:08:22 2022
% 0.97/1.23  Prover9 interrupted
%------------------------------------------------------------------------------