TSTP Solution File: LCL367-1 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : LCL367-1 : TPTP v8.1.0. Released v2.3.0.
% 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 : Sun Jul 17 13:46:10 EDT 2022

% Result   : Unsatisfiable 0.66s 1.05s
% Output   : Refutation 0.66s
% Verified : 
% SZS Type : -

% Comments : 
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%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.09  % Problem  : LCL367-1 : TPTP v8.1.0. Released v2.3.0.
% 0.00/0.09  % Command  : tptp2X_and_run_prover9 %d %s
% 0.09/0.29  % Computer : n029.cluster.edu
% 0.09/0.29  % Model    : x86_64 x86_64
% 0.09/0.29  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.29  % Memory   : 8042.1875MB
% 0.09/0.29  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.29  % CPULimit : 300
% 0.13/0.29  % WCLimit  : 600
% 0.13/0.29  % DateTime : Mon Jul  4 20:17:57 EDT 2022
% 0.13/0.29  % CPUTime  : 
% 0.66/1.05  ============================== Prover9 ===============================
% 0.66/1.05  Prover9 (32) version 2009-11A, November 2009.
% 0.66/1.05  Process 19873 was started by sandbox2 on n029.cluster.edu,
% 0.66/1.05  Mon Jul  4 20:17:57 2022
% 0.66/1.05  The command was "/export/starexec/sandbox2/solver/bin/prover9 -t 300 -f /tmp/Prover9_19719_n029.cluster.edu".
% 0.66/1.05  ============================== end of head ===========================
% 0.66/1.05  
% 0.66/1.05  ============================== INPUT =================================
% 0.66/1.05  
% 0.66/1.05  % Reading from file /tmp/Prover9_19719_n029.cluster.edu
% 0.66/1.05  
% 0.66/1.05  set(prolog_style_variables).
% 0.66/1.05  set(auto2).
% 0.66/1.05      % set(auto2) -> set(auto).
% 0.66/1.05      % set(auto) -> set(auto_inference).
% 0.66/1.05      % set(auto) -> set(auto_setup).
% 0.66/1.05      % set(auto_setup) -> set(predicate_elim).
% 0.66/1.05      % set(auto_setup) -> assign(eq_defs, unfold).
% 0.66/1.05      % set(auto) -> set(auto_limits).
% 0.66/1.05      % set(auto_limits) -> assign(max_weight, "100.000").
% 0.66/1.05      % set(auto_limits) -> assign(sos_limit, 20000).
% 0.66/1.05      % set(auto) -> set(auto_denials).
% 0.66/1.05      % set(auto) -> set(auto_process).
% 0.66/1.05      % set(auto2) -> assign(new_constants, 1).
% 0.66/1.05      % set(auto2) -> assign(fold_denial_max, 3).
% 0.66/1.05      % set(auto2) -> assign(max_weight, "200.000").
% 0.66/1.05      % set(auto2) -> assign(max_hours, 1).
% 0.66/1.05      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 0.66/1.05      % set(auto2) -> assign(max_seconds, 0).
% 0.66/1.05      % set(auto2) -> assign(max_minutes, 5).
% 0.66/1.05      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 0.66/1.05      % set(auto2) -> set(sort_initial_sos).
% 0.66/1.05      % set(auto2) -> assign(sos_limit, -1).
% 0.66/1.05      % set(auto2) -> assign(lrs_ticks, 3000).
% 0.66/1.05      % set(auto2) -> assign(max_megs, 400).
% 0.66/1.05      % set(auto2) -> assign(stats, some).
% 0.66/1.05      % set(auto2) -> clear(echo_input).
% 0.66/1.05      % set(auto2) -> set(quiet).
% 0.66/1.05      % set(auto2) -> clear(print_initial_clauses).
% 0.66/1.05      % set(auto2) -> clear(print_given).
% 0.66/1.05  assign(lrs_ticks,-1).
% 0.66/1.05  assign(sos_limit,10000).
% 0.66/1.05  assign(order,kbo).
% 0.66/1.05  set(lex_order_vars).
% 0.66/1.05  clear(print_given).
% 0.66/1.05  
% 0.66/1.05  % formulas(sos).  % not echoed (5 formulas)
% 0.66/1.05  
% 0.66/1.05  ============================== end of input ==========================
% 0.66/1.05  
% 0.66/1.05  % From the command line: assign(max_seconds, 300).
% 0.66/1.05  
% 0.66/1.05  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 0.66/1.05  
% 0.66/1.05  % Formulas that are not ordinary clauses:
% 0.66/1.05  
% 0.66/1.05  ============================== end of process non-clausal formulas ===
% 0.66/1.05  
% 0.66/1.05  ============================== PROCESS INITIAL CLAUSES ===============
% 0.66/1.05  
% 0.66/1.05  ============================== PREDICATE ELIMINATION =================
% 0.66/1.05  
% 0.66/1.05  ============================== end predicate elimination =============
% 0.66/1.05  
% 0.66/1.05  Auto_denials:
% 0.66/1.05    % copying label prove_cn_17 to answer in negative clause
% 0.66/1.05  
% 0.66/1.05  Term ordering decisions:
% 0.66/1.05  
% 0.66/1.05  % Assigning unary symbol not kb_weight 0 and highest precedence (5).
% 0.66/1.05  Function symbol KB weights:  x=1. y=1. implies=1. not=0.
% 0.66/1.05  
% 0.66/1.05  ============================== end of process initial clauses ========
% 0.66/1.05  
% 0.66/1.05  ============================== CLAUSES FOR SEARCH ====================
% 0.66/1.05  
% 0.66/1.05  ============================== end of clauses for search =============
% 0.66/1.05  
% 0.66/1.05  ============================== SEARCH ================================
% 0.66/1.05  
% 0.66/1.05  % Starting search at 0.01 seconds.
% 0.66/1.05  
% 0.66/1.05  ============================== PROOF =================================
% 0.66/1.05  % SZS status Unsatisfiable
% 0.66/1.05  % SZS output start Refutation
% 0.66/1.05  
% 0.66/1.05  % Proof 1 at 0.11 (+ 0.01) seconds: prove_cn_17.
% 0.66/1.05  % Length of proof is 23.
% 0.66/1.05  % Level of proof is 13.
% 0.66/1.05  % Maximum clause weight is 16.000.
% 0.66/1.05  % Given clauses 99.
% 0.66/1.05  
% 0.66/1.05  1 is_a_theorem(implies(implies(not(A),A),A)) # label(cn_2) # label(axiom).  [assumption].
% 0.66/1.05  2 is_a_theorem(implies(A,implies(not(A),B))) # label(cn_3) # label(axiom).  [assumption].
% 0.66/1.05  3 is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C)))) # label(cn_1) # label(axiom).  [assumption].
% 0.66/1.05  4 -is_a_theorem(implies(x,implies(implies(y,x),x))) # label(prove_cn_17) # label(negated_conjecture) # answer(prove_cn_17).  [assumption].
% 0.66/1.05  5 -is_a_theorem(implies(A,B)) | -is_a_theorem(A) | is_a_theorem(B) # label(condensed_detachment) # label(axiom).  [assumption].
% 0.66/1.05  6 is_a_theorem(implies(implies(implies(implies(A,B),implies(C,B)),D),implies(implies(C,A),D))).  [hyper(5,a,3,a,b,3,a)].
% 0.66/1.05  7 is_a_theorem(implies(implies(implies(not(A),B),C),implies(A,C))).  [hyper(5,a,3,a,b,2,a)].
% 0.66/1.05  12 is_a_theorem(implies(implies(A,implies(B,C)),implies(implies(D,B),implies(A,implies(D,C))))).  [hyper(5,a,6,a,b,6,a)].
% 0.66/1.05  21 is_a_theorem(implies(implies(A,not(B)),implies(B,implies(A,C)))).  [hyper(5,a,6,a,b,7,a)].
% 0.66/1.05  26 is_a_theorem(implies(A,A)).  [hyper(5,a,7,a,b,1,a)].
% 0.66/1.05  27 is_a_theorem(implies(not(implies(A,A)),B)).  [hyper(5,a,2,a,b,26,a)].
% 0.66/1.05  68 is_a_theorem(implies(A,implies(B,implies(not(A),C)))).  [hyper(5,a,7,a,b,21,a)].
% 0.66/1.05  72 is_a_theorem(implies(A,implies(not(implies(B,B)),C))).  [hyper(5,a,21,a,b,27,a)].
% 0.66/1.05  81 is_a_theorem(implies(implies(implies(A,implies(not(B),C)),D),implies(B,D))).  [hyper(5,a,3,a,b,68,a)].
% 0.66/1.05  95 is_a_theorem(implies(implies(implies(not(implies(A,A)),B),C),implies(D,C))).  [hyper(5,a,3,a,b,72,a)].
% 0.66/1.05  460 is_a_theorem(implies(A,implies(B,B))).  [hyper(5,a,95,a,b,1,a)].
% 0.66/1.05  469 is_a_theorem(implies(implies(A,B),implies(C,implies(A,B)))).  [hyper(5,a,12,a,b,460,a)].
% 0.66/1.05  550 is_a_theorem(implies(A,implies(implies(not(B),B),B))).  [hyper(5,a,469,a,b,1,a)].
% 0.66/1.05  588 is_a_theorem(implies(implies(A,implies(not(B),B)),implies(C,implies(A,B)))).  [hyper(5,a,12,a,b,550,a)].
% 0.66/1.05  1506 is_a_theorem(implies(A,implies(B,implies(C,A)))).  [hyper(5,a,81,a,b,588,a)].
% 0.66/1.05  1534 is_a_theorem(implies(A,implies(B,implies(C,B)))).  [hyper(5,a,588,a,b,1506,a)].
% 0.66/1.05  1608 is_a_theorem(implies(A,implies(B,A))).  [hyper(5,a,1534,a,b,1534,a)].
% 0.66/1.05  1609 $F # answer(prove_cn_17).  [resolve(1608,a,4,a)].
% 0.66/1.05  
% 0.66/1.05  % SZS output end Refutation
% 0.66/1.05  ============================== end of proof ==========================
% 0.66/1.05  
% 0.66/1.05  ============================== STATISTICS ============================
% 0.66/1.05  
% 0.66/1.05  Given=99. Generated=5628. Kept=1608. proofs=1.
% 0.66/1.05  Usable=98. Sos=1469. Demods=0. Limbo=0, Disabled=45. Hints=0.
% 0.66/1.05  Megabytes=1.90.
% 0.66/1.05  User_CPU=0.11, System_CPU=0.01, Wall_clock=0.
% 0.66/1.05  
% 0.66/1.05  ============================== end of statistics =====================
% 0.66/1.05  
% 0.66/1.05  ============================== end of search =========================
% 0.66/1.05  
% 0.66/1.05  THEOREM PROVED
% 0.66/1.05  % SZS status Unsatisfiable
% 0.66/1.05  
% 0.66/1.05  Exiting with 1 proof.
% 0.66/1.05  
% 0.66/1.05  Process 19873 exit (max_proofs) Mon Jul  4 20:17:57 2022
% 0.66/1.05  Prover9 interrupted
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