TSTP Solution File: SYO640-10 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : SYO640-10 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %s

% Computer : n022.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  : 300s
% DateTime : Wed Jul 27 13:26:27 EDT 2022

% Result   : Unknown 1.57s 1.80s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : SYO640-10 : TPTP v8.1.0. Released v7.3.0.
% 0.11/0.12  % Command  : otter-tptp-script %s
% 0.12/0.33  % Computer : n022.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  : 300
% 0.12/0.33  % DateTime : Wed Jul 27 10:16:50 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 1.57/1.80  ----- Otter 3.3f, August 2004 -----
% 1.57/1.80  The process was started by sandbox2 on n022.cluster.edu,
% 1.57/1.80  Wed Jul 27 10:16:50 2022
% 1.57/1.80  The command was "./otter".  The process ID is 17675.
% 1.57/1.80  
% 1.57/1.80  set(prolog_style_variables).
% 1.57/1.80  set(auto).
% 1.57/1.80     dependent: set(auto1).
% 1.57/1.80     dependent: set(process_input).
% 1.57/1.80     dependent: clear(print_kept).
% 1.57/1.80     dependent: clear(print_new_demod).
% 1.57/1.80     dependent: clear(print_back_demod).
% 1.57/1.80     dependent: clear(print_back_sub).
% 1.57/1.80     dependent: set(control_memory).
% 1.57/1.80     dependent: assign(max_mem, 12000).
% 1.57/1.80     dependent: assign(pick_given_ratio, 4).
% 1.57/1.80     dependent: assign(stats_level, 1).
% 1.57/1.80     dependent: assign(max_seconds, 10800).
% 1.57/1.80  clear(print_given).
% 1.57/1.80  
% 1.57/1.80  list(usable).
% 1.57/1.80  0 [] A=A.
% 1.57/1.80  0 [] ife_q(A,A,B,C)=B.
% 1.57/1.80  0 [] f(sK3_itmul0_Y1,sK1_itmul0_Y3,sK4_itmul0_Y4)!=true.
% 1.57/1.80  0 [] ife_q(f(sK3_itmul0_Y1,sK1_itmul0_Y3,X1),true,f(sK3_itmul0_Y1,sK3_itmul0_Y1,X1),true)=true.
% 1.57/1.80  0 [] ife_q(f(X2,X3,X4),true,ife_q(f(X1,X2,X4),true,f(X1,X3,X4),true),true)=true.
% 1.57/1.80  0 [] f(sK2_itmul0_Y2,sK3_itmul0_Y1,sK4_itmul0_Y4)=true.
% 1.57/1.80  0 [] f(sK3_itmul0_Y1,sK2_itmul0_Y2,sK4_itmul0_Y4)=true.
% 1.57/1.80  end_of_list.
% 1.57/1.80  
% 1.57/1.80  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 1.57/1.80  
% 1.57/1.80  All clauses are units, and equality is present; the
% 1.57/1.80  strategy will be Knuth-Bendix with positive clauses in sos.
% 1.57/1.80  
% 1.57/1.80     dependent: set(knuth_bendix).
% 1.57/1.80     dependent: set(anl_eq).
% 1.57/1.80     dependent: set(para_from).
% 1.57/1.80     dependent: set(para_into).
% 1.57/1.80     dependent: clear(para_from_right).
% 1.57/1.80     dependent: clear(para_into_right).
% 1.57/1.80     dependent: set(para_from_vars).
% 1.57/1.80     dependent: set(eq_units_both_ways).
% 1.57/1.80     dependent: set(dynamic_demod_all).
% 1.57/1.80     dependent: set(dynamic_demod).
% 1.57/1.80     dependent: set(order_eq).
% 1.57/1.80     dependent: set(back_demod).
% 1.57/1.80     dependent: set(lrpo).
% 1.57/1.80  
% 1.57/1.80  ------------> process usable:
% 1.57/1.80  ** KEPT (pick-wt=6): 1 [] f(sK3_itmul0_Y1,sK1_itmul0_Y3,sK4_itmul0_Y4)!=true.
% 1.57/1.80  
% 1.57/1.80  ------------> process sos:
% 1.57/1.80  ** KEPT (pick-wt=3): 2 [] A=A.
% 1.57/1.80  ** KEPT (pick-wt=7): 3 [] ife_q(A,A,B,C)=B.
% 1.57/1.80  ---> New Demodulator: 4 [new_demod,3] ife_q(A,A,B,C)=B.
% 1.57/1.80  ** KEPT (pick-wt=13): 5 [] ife_q(f(sK3_itmul0_Y1,sK1_itmul0_Y3,A),true,f(sK3_itmul0_Y1,sK3_itmul0_Y1,A),true)=true.
% 1.57/1.80  ---> New Demodulator: 6 [new_demod,5] ife_q(f(sK3_itmul0_Y1,sK1_itmul0_Y3,A),true,f(sK3_itmul0_Y1,sK3_itmul0_Y1,A),true)=true.
% 1.57/1.80  ** KEPT (pick-wt=20): 7 [] ife_q(f(A,B,C),true,ife_q(f(D,A,C),true,f(D,B,C),true),true)=true.
% 1.57/1.80  ---> New Demodulator: 8 [new_demod,7] ife_q(f(A,B,C),true,ife_q(f(D,A,C),true,f(D,B,C),true),true)=true.
% 1.57/1.80  ** KEPT (pick-wt=6): 9 [] f(sK2_itmul0_Y2,sK3_itmul0_Y1,sK4_itmul0_Y4)=true.
% 1.57/1.80  ---> New Demodulator: 10 [new_demod,9] f(sK2_itmul0_Y2,sK3_itmul0_Y1,sK4_itmul0_Y4)=true.
% 1.57/1.80  ** KEPT (pick-wt=6): 11 [] f(sK3_itmul0_Y1,sK2_itmul0_Y2,sK4_itmul0_Y4)=true.
% 1.57/1.80  ---> New Demodulator: 12 [new_demod,11] f(sK3_itmul0_Y1,sK2_itmul0_Y2,sK4_itmul0_Y4)=true.
% 1.57/1.80    Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 1.57/1.80  >>>> Starting back demodulation with 4.
% 1.57/1.80  >>>> Starting back demodulation with 6.
% 1.57/1.80  >>>> Starting back demodulation with 8.
% 1.57/1.80  >>>> Starting back demodulation with 10.
% 1.57/1.80  >>>> Starting back demodulation with 12.
% 1.57/1.80  
% 1.57/1.80  ======= end of input processing =======
% 1.57/1.80  
% 1.57/1.80  =========== start of search ===========
% 1.57/1.80  
% 1.57/1.80  Search stopped because sos empty.
% 1.57/1.80  
% 1.57/1.80  
% 1.57/1.80  Search stopped because sos empty.
% 1.57/1.80  
% 1.57/1.80  ============ end of search ============
% 1.57/1.80  
% 1.57/1.80  -------------- statistics -------------
% 1.57/1.80  clauses given                 25
% 1.57/1.80  clauses generated            132
% 1.57/1.80  clauses kept                  26
% 1.57/1.80  clauses forward subsumed     115
% 1.57/1.80  clauses back subsumed          0
% 1.57/1.80  Kbytes malloced              976
% 1.57/1.80  
% 1.57/1.80  ----------- times (seconds) -----------
% 1.57/1.80  user CPU time          0.00          (0 hr, 0 min, 0 sec)
% 1.57/1.80  system CPU time        0.00          (0 hr, 0 min, 0 sec)
% 1.57/1.80  wall-clock time        1             (0 hr, 0 min, 1 sec)
% 1.57/1.80  
% 1.57/1.80  Process 17675 finished Wed Jul 27 10:16:51 2022
% 1.57/1.80  Otter interrupted
% 1.57/1.80  PROOF NOT FOUND
%------------------------------------------------------------------------------