TSTP Solution File: LCL385-10 by Prover9---1109a

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Prover9---1109a
% Problem  : LCL385-10 : TPTP v8.1.0. Released v7.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : tptp2X_and_run_prover9 %d %s

% Computer : n003.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 13:46:17 EDT 2022

% Result   : Unsatisfiable 15.67s 15.95s
% Output   : Refutation 15.67s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : LCL385-10 : TPTP v8.1.0. Released v7.5.0.
% 0.03/0.13  % Command  : tptp2X_and_run_prover9 %d %s
% 0.13/0.34  % Computer : n003.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 : Sat Jul  2 13:41:53 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 4.02/4.28  ============================== Prover9 ===============================
% 4.02/4.28  Prover9 (32) version 2009-11A, November 2009.
% 4.02/4.28  Process 14504 was started by sandbox on n003.cluster.edu,
% 4.02/4.28  Sat Jul  2 13:41:54 2022
% 4.02/4.28  The command was "/export/starexec/sandbox/solver/bin/prover9 -t 300 -f /tmp/Prover9_14350_n003.cluster.edu".
% 4.02/4.28  ============================== end of head ===========================
% 4.02/4.28  
% 4.02/4.28  ============================== INPUT =================================
% 4.02/4.28  
% 4.02/4.28  % Reading from file /tmp/Prover9_14350_n003.cluster.edu
% 4.02/4.28  
% 4.02/4.28  set(prolog_style_variables).
% 4.02/4.28  set(auto2).
% 4.02/4.28      % set(auto2) -> set(auto).
% 4.02/4.28      % set(auto) -> set(auto_inference).
% 4.02/4.28      % set(auto) -> set(auto_setup).
% 4.02/4.28      % set(auto_setup) -> set(predicate_elim).
% 4.02/4.28      % set(auto_setup) -> assign(eq_defs, unfold).
% 4.02/4.28      % set(auto) -> set(auto_limits).
% 4.02/4.28      % set(auto_limits) -> assign(max_weight, "100.000").
% 4.02/4.28      % set(auto_limits) -> assign(sos_limit, 20000).
% 4.02/4.28      % set(auto) -> set(auto_denials).
% 4.02/4.28      % set(auto) -> set(auto_process).
% 4.02/4.28      % set(auto2) -> assign(new_constants, 1).
% 4.02/4.28      % set(auto2) -> assign(fold_denial_max, 3).
% 4.02/4.28      % set(auto2) -> assign(max_weight, "200.000").
% 4.02/4.28      % set(auto2) -> assign(max_hours, 1).
% 4.02/4.28      % assign(max_hours, 1) -> assign(max_seconds, 3600).
% 4.02/4.28      % set(auto2) -> assign(max_seconds, 0).
% 4.02/4.28      % set(auto2) -> assign(max_minutes, 5).
% 4.02/4.28      % assign(max_minutes, 5) -> assign(max_seconds, 300).
% 4.02/4.28      % set(auto2) -> set(sort_initial_sos).
% 4.02/4.28      % set(auto2) -> assign(sos_limit, -1).
% 4.02/4.28      % set(auto2) -> assign(lrs_ticks, 3000).
% 4.02/4.28      % set(auto2) -> assign(max_megs, 400).
% 4.02/4.28      % set(auto2) -> assign(stats, some).
% 4.02/4.28      % set(auto2) -> clear(echo_input).
% 4.02/4.28      % set(auto2) -> set(quiet).
% 4.02/4.28      % set(auto2) -> clear(print_initial_clauses).
% 4.02/4.28      % set(auto2) -> clear(print_given).
% 4.02/4.28  assign(lrs_ticks,-1).
% 4.02/4.28  assign(sos_limit,10000).
% 4.02/4.28  assign(order,kbo).
% 4.02/4.28  set(lex_order_vars).
% 4.02/4.28  clear(print_given).
% 4.02/4.28  
% 4.02/4.28  % formulas(sos).  % not echoed (6 formulas)
% 4.02/4.28  
% 4.02/4.28  ============================== end of input ==========================
% 4.02/4.28  
% 4.02/4.28  % From the command line: assign(max_seconds, 300).
% 4.02/4.28  
% 4.02/4.28  ============================== PROCESS NON-CLAUSAL FORMULAS ==========
% 4.02/4.28  
% 4.02/4.28  % Formulas that are not ordinary clauses:
% 4.02/4.28  
% 4.02/4.28  ============================== end of process non-clausal formulas ===
% 4.02/4.28  
% 4.02/4.28  ============================== PROCESS INITIAL CLAUSES ===============
% 4.02/4.28  
% 4.02/4.28  ============================== PREDICATE ELIMINATION =================
% 4.02/4.28  
% 4.02/4.28  ============================== end predicate elimination =============
% 4.02/4.28  
% 4.02/4.28  Auto_denials:
% 4.02/4.28    % copying label prove_cn_47 to answer in negative clause
% 4.02/4.28  
% 4.02/4.28  Term ordering decisions:
% 4.02/4.28  Function symbol KB weights:  true=1. x=1. y=1. implies=1. is_a_theorem=1. not=1. ifeq=1.
% 4.02/4.28  
% 4.02/4.28  ============================== end of process initial clauses ========
% 4.02/4.28  
% 4.02/4.28  ============================== CLAUSES FOR SEARCH ====================
% 4.02/4.28  
% 4.02/4.28  ============================== end of clauses for search =============
% 4.02/4.28  
% 4.02/4.28  ============================== SEARCH ================================
% 4.02/4.28  
% 4.02/4.28  % Starting search at 0.01 seconds.
% 4.02/4.28  
% 4.02/4.28  NOTE: Back_subsumption disabled, ratio of kept to back_subsumed is 40 (0.00 of 0.87 sec).
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=41.000, iters=3333
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=40.000, iters=3344
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=39.000, iters=3575
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=33.000, iters=3366
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=32.000, iters=3386
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=31.000, iters=3390
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=30.000, iters=3365
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=29.000, iters=3341
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=28.000, iters=3355
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=27.000, iters=3361
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=26.000, iters=3333
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=25.000, iters=3355
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=24.000, iters=3343
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=23.000, iters=3340
% 4.02/4.28  
% 4.02/4.28  Low Water (displace): id=4887, wt=69.000
% 4.02/4.28  
% 4.02/4.28  Low Water (displace): id=2576, wt=65.000
% 4.02/4.28  
% 4.02/4.28  Low Water (displace): id=4885, wt=63.000
% 4.02/4.28  
% 4.02/4.28  Low Water (displace): id=3654, wt=61.000
% 4.02/4.28  
% 4.02/4.28  Low Water (displace): id=11243, wt=19.000
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=22.000, iters=3338
% 4.02/4.28  
% 4.02/4.28  Low Water (displace): id=11427, wt=18.000
% 4.02/4.28  
% 4.02/4.28  Low Water (displace): id=11454, wt=17.000
% 4.02/4.28  
% 4.02/4.28  Low Water (displace): id=11678, wt=16.000
% 4.02/4.28  
% 4.02/4.28  Low Water (displace): id=16118, wt=15.000
% 4.02/4.28  
% 4.02/4.28  Low Water (displace): id=16133, wt=14.000
% 4.02/4.28  
% 4.02/4.28  Low Water (keep): wt=21.000, iters=3543
% 15.67/15.95  
% 15.67/15.95  Low Water (keep): wt=20.000, iters=3346
% 15.67/15.95  
% 15.67/15.95  Low Water (keep): wt=19.000, iters=3347
% 15.67/15.95  
% 15.67/15.95  Low Water (keep): wt=18.000, iters=3336
% 15.67/15.95  
% 15.67/15.95  Low Water (keep): wt=17.000, iters=3338
% 15.67/15.95  
% 15.67/15.95  ============================== PROOF =================================
% 15.67/15.95  % SZS status Unsatisfiable
% 15.67/15.95  % SZS output start Refutation
% 15.67/15.95  
% 15.67/15.95  % Proof 1 at 13.90 (+ 1.05) seconds: prove_cn_47.
% 15.67/15.95  % Length of proof is 55.
% 15.67/15.95  % Level of proof is 29.
% 15.67/15.95  % Maximum clause weight is 22.000.
% 15.67/15.95  % Given clauses 2972.
% 15.67/15.95  
% 15.67/15.95  1 ifeq(A,A,B,C) = B # label(ifeq_axiom) # label(axiom).  [assumption].
% 15.67/15.95  2 is_a_theorem(implies(implies(not(A),A),A)) = true # label(cn_2) # label(axiom).  [assumption].
% 15.67/15.95  3 is_a_theorem(implies(A,implies(not(A),B))) = true # label(cn_3) # label(axiom).  [assumption].
% 15.67/15.95  4 is_a_theorem(implies(implies(A,B),implies(implies(B,C),implies(A,C)))) = true # label(cn_1) # label(axiom).  [assumption].
% 15.67/15.95  5 ifeq(is_a_theorem(implies(A,B)),true,ifeq(is_a_theorem(A),true,is_a_theorem(B),true),true) = true # label(condensed_detachment) # label(axiom).  [assumption].
% 15.67/15.95  6 is_a_theorem(implies(implies(x,not(y)),implies(y,not(x)))) != true # label(prove_cn_47) # label(negated_conjecture) # answer(prove_cn_47).  [assumption].
% 15.67/15.95  8 ifeq(is_a_theorem(implies(implies(implies(not(A),A),A),B)),true,is_a_theorem(B),true) = true.  [para(2(a,1),5(a,1,3,1)),rewrite([1(11)])].
% 15.67/15.95  10 ifeq(is_a_theorem(A),true,is_a_theorem(implies(not(A),B)),true) = true.  [para(3(a,1),5(a,1,1)),rewrite([1(11)])].
% 15.67/15.95  11 ifeq(is_a_theorem(implies(implies(A,implies(not(A),B)),C)),true,is_a_theorem(C),true) = true.  [para(3(a,1),5(a,1,3,1)),rewrite([1(11)])].
% 15.67/15.95  13 ifeq(is_a_theorem(implies(A,B)),true,is_a_theorem(implies(implies(B,C),implies(A,C))),true) = true.  [para(4(a,1),5(a,1,1)),rewrite([1(13)])].
% 15.67/15.95  29 is_a_theorem(implies(implies(A,B),implies(implies(not(A),A),B))) = true.  [para(4(a,1),8(a,1,1)),rewrite([1(10)])].
% 15.67/15.95  31 ifeq(is_a_theorem(implies(implies(implies(A,B),implies(implies(not(A),A),B)),C)),true,is_a_theorem(C),true) = true.  [para(29(a,1),5(a,1,3,1)),rewrite([1(13)])].
% 15.67/15.95  37 is_a_theorem(implies(implies(implies(not(A),B),C),implies(A,C))) = true.  [para(4(a,1),11(a,1,1)),rewrite([1(10)])].
% 15.67/15.95  42 ifeq(is_a_theorem(implies(implies(not(A),B),C)),true,is_a_theorem(implies(A,C)),true) = true.  [para(37(a,1),5(a,1,1)),rewrite([1(13)])].
% 15.67/15.95  43 ifeq(is_a_theorem(implies(implies(implies(implies(not(A),B),C),implies(A,C)),D)),true,is_a_theorem(D),true) = true.  [para(37(a,1),5(a,1,3,1)),rewrite([1(13)])].
% 15.67/15.95  45 is_a_theorem(implies(A,A)) = true.  [para(37(a,1),8(a,1,1)),rewrite([1(6)])].
% 15.67/15.95  49 is_a_theorem(implies(not(implies(A,A)),B)) = true.  [para(45(a,1),10(a,1,1)),rewrite([1(8)])].
% 15.67/15.95  50 is_a_theorem(implies(implies(implies(implies(A,B),implies(C,B)),D),implies(implies(C,A),D))) = true.  [para(4(a,1),13(a,1,1)),rewrite([1(12)])].
% 15.67/15.95  60 is_a_theorem(implies(implies(A,B),implies(not(implies(C,C)),B))) = true.  [para(49(a,1),13(a,1,1)),rewrite([1(10)])].
% 15.67/15.95  149 is_a_theorem(implies(A,implies(not(implies(B,B)),C))) = true.  [para(60(a,1),42(a,1,1)),rewrite([1(9)])].
% 15.67/15.95  153 is_a_theorem(implies(implies(implies(not(implies(A,A)),B),C),implies(D,C))) = true.  [para(149(a,1),13(a,1,1)),rewrite([1(11)])].
% 15.67/15.95  177 is_a_theorem(implies(A,implies(B,B))) = true.  [para(153(a,1),8(a,1,1)),rewrite([1(7)])].
% 15.67/15.95  186 is_a_theorem(implies(implies(implies(A,A),B),implies(C,B))) = true.  [para(177(a,1),13(a,1,1)),rewrite([1(9)])].
% 15.67/15.95  199 is_a_theorem(implies(A,implies(implies(not(B),B),B))) = true.  [para(186(a,1),31(a,1,1)),rewrite([1(9)])].
% 15.67/15.95  205 is_a_theorem(implies(implies(implies(implies(not(A),A),A),B),implies(C,B))) = true.  [para(199(a,1),13(a,1,1)),rewrite([1(11)])].
% 15.67/15.95  290 ifeq(is_a_theorem(implies(implies(implies(implies(implies(not(A),A),A),B),implies(C,B)),D)),true,is_a_theorem(D),true) = true.  [para(205(a,1),5(a,1,3,1)),rewrite([1(14)])].
% 15.67/15.95  293 is_a_theorem(implies(implies(implies(A,B),C),implies(implies(implies(implies(not(D),D),D),B),C))) = true.  [para(205(a,1),13(a,1,1)),rewrite([1(13)])].
% 15.67/15.95  299 ifeq(is_a_theorem(implies(implies(implies(A,B),implies(C,B)),D)),true,is_a_theorem(implies(implies(C,A),D)),true) = true.  [para(50(a,1),5(a,1,1)),rewrite([1(15)])].
% 15.67/15.95  309 is_a_theorem(implies(implies(A,not(B)),implies(B,implies(A,C)))) = true.  [para(50(a,1),43(a,1,1)),rewrite([1(10)])].
% 15.67/15.95  317 is_a_theorem(implies(implies(implies(A,implies(B,C)),D),implies(implies(B,not(A)),D))) = true.  [para(309(a,1),13(a,1,1)),rewrite([1(12)])].
% 15.67/15.95  321 is_a_theorem(implies(A,implies(B,implies(not(A),C)))) = true.  [para(309(a,1),42(a,1,1)),rewrite([1(9)])].
% 15.67/15.95  326 is_a_theorem(implies(implies(implies(A,implies(not(B),C)),D),implies(B,D))) = true.  [para(321(a,1),13(a,1,1)),rewrite([1(11)])].
% 15.67/15.95  475 ifeq(is_a_theorem(implies(implies(A,implies(not(B),C)),D)),true,is_a_theorem(implies(B,D)),true) = true.  [para(326(a,1),5(a,1,1)),rewrite([1(14)])].
% 15.67/15.95  1437 ifeq(is_a_theorem(implies(implies(A,implies(B,C)),D)),true,is_a_theorem(implies(implies(B,not(A)),D)),true) = true.  [para(317(a,1),5(a,1,1)),rewrite([1(15)])].
% 15.67/15.95  7560 is_a_theorem(implies(implies(A,implies(not(B),B)),implies(C,implies(A,B)))) = true.  [para(50(a,1),290(a,1,1)),rewrite([1(11)])].
% 15.67/15.95  7589 is_a_theorem(implies(A,implies(B,implies(C,A)))) = true.  [para(7560(a,1),475(a,1,1)),rewrite([1(8)])].
% 15.67/15.95  7597 is_a_theorem(implies(implies(implies(A,implies(B,C)),D),implies(C,D))) = true.  [para(7589(a,1),13(a,1,1)),rewrite([1(10)])].
% 15.67/15.95  7883 is_a_theorem(implies(implies(implies(implies(not(A),A),A),B),B)) = true.  [para(293(a,1),8(a,1,1)),rewrite([1(10)])].
% 15.67/15.95  7945 is_a_theorem(implies(A,implies(B,A))) = true.  [para(7597(a,1),8(a,1,1)),rewrite([1(7)])].
% 15.67/15.95  7974 is_a_theorem(implies(implies(implies(A,B),C),implies(B,C))) = true.  [para(7945(a,1),13(a,1,1)),rewrite([1(9)])].
% 15.67/15.95  8043 ifeq(is_a_theorem(implies(implies(A,B),C)),true,is_a_theorem(implies(B,C)),true) = true.  [para(7974(a,1),5(a,1,1)),rewrite([1(12)])].
% 15.67/15.95  8125 is_a_theorem(implies(implies(A,implies(not(B),B)),implies(A,B))) = true.  [para(7883(a,1),299(a,1,1)),rewrite([1(10)])].
% 15.67/15.95  8259 is_a_theorem(implies(implies(not(A),B),implies(implies(B,A),A))) = true.  [para(8125(a,1),299(a,1,1)),rewrite([1(10)])].
% 15.67/15.95  9381 is_a_theorem(implies(A,implies(implies(A,B),B))) = true.  [para(8259(a,1),8043(a,1,1)),rewrite([1(8)])].
% 15.67/15.95  9388 ifeq(is_a_theorem(A),true,is_a_theorem(implies(implies(A,B),B)),true) = true.  [para(9381(a,1),5(a,1,1)),rewrite([1(11)])].
% 15.67/15.95  9391 is_a_theorem(implies(implies(implies(implies(A,B),B),C),implies(A,C))) = true.  [para(9381(a,1),13(a,1,1)),rewrite([1(10)])].
% 15.67/15.95  10250 is_a_theorem(implies(not(A),implies(A,B))) = true.  [para(9391(a,1),43(a,1,1)),rewrite([1(8)])].
% 15.67/15.95  10273 is_a_theorem(implies(implies(implies(A,B),C),implies(not(A),C))) = true.  [para(10250(a,1),13(a,1,1)),rewrite([1(10)])].
% 15.67/15.95  10508 is_a_theorem(implies(not(not(A)),A)) = true.  [para(10273(a,1),8(a,1,1)),rewrite([1(8)])].
% 15.67/15.95  10541 ifeq(is_a_theorem(implies(implies(not(not(A)),A),B)),true,is_a_theorem(B),true) = true.  [para(10508(a,1),5(a,1,3,1)),rewrite([1(11)])].
% 15.67/15.95  15703 is_a_theorem(implies(implies(A,not(A)),not(A))) = true.  [para(8259(a,1),10541(a,1,1)),rewrite([1(9)])].
% 15.67/15.95  15758 is_a_theorem(implies(implies(implies(implies(A,not(A)),not(A)),B),B)) = true.  [para(15703(a,1),9388(a,1,1)),rewrite([1(11)])].
% 15.67/15.95  19581 is_a_theorem(implies(implies(A,implies(B,not(B))),implies(A,not(B)))) = true.  [para(15758(a,1),299(a,1,1)),rewrite([1(11)])].
% 15.67/15.95  30717 is_a_theorem(implies(implies(A,not(B)),implies(B,not(A)))) = true.  [para(19581(a,1),1437(a,1,1)),rewrite([1(10)])].
% 15.67/15.95  30718 $F # answer(prove_cn_47).  [resolve(30717,a,6,a)].
% 15.67/15.95  
% 15.67/15.95  % SZS output end Refutation
% 15.67/15.95  ============================== end of proof ==========================
% 15.67/15.95  
% 15.67/15.95  ============================== STATISTICS ============================
% 15.67/15.95  
% 15.67/15.95  Given=2972. Generated=2051000. Kept=30717. proofs=1.
% 15.67/15.95  Usable=2904. Sos=9999. Demods=12913. Limbo=11, Disabled=17808. Hints=0.
% 15.67/15.95  Megabytes=25.28.
% 15.67/15.95  User_CPU=13.90, System_CPU=1.05, Wall_clock=15.
% 15.67/15.95  
% 15.67/15.95  ============================== end of statistics =====================
% 15.67/15.95  
% 15.67/15.95  ============================== end of search =========================
% 15.67/15.95  
% 15.67/15.95  THEOREM PROVED
% 15.67/15.95  % SZS status Unsatisfiable
% 15.67/15.95  
% 15.67/15.95  Exiting with 1 proof.
% 15.67/15.95  
% 15.67/15.95  Process 14504 exit (max_proofs) Sat Jul  2 13:42:09 2022
% 15.67/15.95  Prover9 interrupted
%------------------------------------------------------------------------------