TSTP Solution File: ROB018-10 by Otter---3.3

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : Otter---3.3
% Problem  : ROB018-10 : TPTP v8.1.0. Released v7.5.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : otter-tptp-script %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  : 300s
% DateTime : Wed Jul 27 13:12:23 EDT 2022

% Result   : Unknown 2.10s 2.26s
% Output   : None 
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : ROB018-10 : TPTP v8.1.0. Released v7.5.0.
% 0.07/0.13  % Command  : otter-tptp-script %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  : 300
% 0.13/0.34  % DateTime : Wed Jul 27 04:12:18 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 1.60/1.80  ----- Otter 3.3f, August 2004 -----
% 1.60/1.80  The process was started by sandbox on n028.cluster.edu,
% 1.60/1.80  Wed Jul 27 04:12:18 2022
% 1.60/1.80  The command was "./otter".  The process ID is 19643.
% 1.60/1.80  
% 1.60/1.80  set(prolog_style_variables).
% 1.60/1.80  set(auto).
% 1.60/1.80     dependent: set(auto1).
% 1.60/1.80     dependent: set(process_input).
% 1.60/1.80     dependent: clear(print_kept).
% 1.60/1.80     dependent: clear(print_new_demod).
% 1.60/1.80     dependent: clear(print_back_demod).
% 1.60/1.80     dependent: clear(print_back_sub).
% 1.60/1.80     dependent: set(control_memory).
% 1.60/1.80     dependent: assign(max_mem, 12000).
% 1.60/1.80     dependent: assign(pick_given_ratio, 4).
% 1.60/1.80     dependent: assign(stats_level, 1).
% 1.60/1.80     dependent: assign(max_seconds, 10800).
% 1.60/1.80  clear(print_given).
% 1.60/1.80  
% 1.60/1.80  list(usable).
% 1.60/1.80  0 [] A=A.
% 1.60/1.80  0 [] ife_q2(A,A,B,C)=B.
% 1.60/1.80  0 [] ife_q(A,A,B,C)=B.
% 1.60/1.80  0 [] add(X,Y)=add(Y,X).
% 1.60/1.80  0 [] add(add(X,Y),Z)=add(X,add(Y,Z)).
% 1.60/1.80  0 [] negate(add(negate(add(X,Y)),negate(add(X,negate(Y)))))=X.
% 1.60/1.80  0 [] multiply(one,X)=X.
% 1.60/1.80  0 [] ife_q2(positive_integer(X),true,add(X,multiply(V,X)),multiply(successor(V),X))=multiply(successor(V),X).
% 1.60/1.80  0 [] positive_integer(one)=true.
% 1.60/1.80  0 [] ife_q(positive_integer(X),true,positive_integer(successor(X)),true)=true.
% 1.60/1.80  0 [] negate(add(d,negate(e)))=negate(e).
% 1.60/1.80  0 [] add(e,multiply(successor(successor(one)),add(d,negate(add(d,negate(e))))))!=add(e,multiply(successor(one),add(d,negate(add(d,negate(e)))))).
% 1.60/1.80  end_of_list.
% 1.60/1.80  
% 1.60/1.80  SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 1.60/1.80  
% 1.60/1.80  All clauses are units, and equality is present; the
% 1.60/1.80  strategy will be Knuth-Bendix with positive clauses in sos.
% 1.60/1.80  
% 1.60/1.80     dependent: set(knuth_bendix).
% 1.60/1.80     dependent: set(anl_eq).
% 1.60/1.80     dependent: set(para_from).
% 1.60/1.80     dependent: set(para_into).
% 1.60/1.80     dependent: clear(para_from_right).
% 1.60/1.80     dependent: clear(para_into_right).
% 1.60/1.80     dependent: set(para_from_vars).
% 1.60/1.80     dependent: set(eq_units_both_ways).
% 1.60/1.80     dependent: set(dynamic_demod_all).
% 1.60/1.80     dependent: set(dynamic_demod).
% 1.60/1.80     dependent: set(order_eq).
% 1.60/1.80     dependent: set(back_demod).
% 1.60/1.80     dependent: set(lrpo).
% 1.60/1.80  
% 1.60/1.80  ------------> process usable:
% 1.60/1.80  ** KEPT (pick-wt=26): 1 [] add(e,multiply(successor(successor(one)),add(d,negate(add(d,negate(e))))))!=add(e,multiply(successor(one),add(d,negate(add(d,negate(e)))))).
% 1.60/1.80  
% 1.60/1.80  ------------> process sos:
% 1.60/1.80  ** KEPT (pick-wt=3): 2 [] A=A.
% 1.60/1.80  ** KEPT (pick-wt=7): 3 [] ife_q2(A,A,B,C)=B.
% 1.60/1.80  ---> New Demodulator: 4 [new_demod,3] ife_q2(A,A,B,C)=B.
% 1.60/1.80  ** KEPT (pick-wt=7): 5 [] ife_q(A,A,B,C)=B.
% 1.60/1.80  ---> New Demodulator: 6 [new_demod,5] ife_q(A,A,B,C)=B.
% 1.60/1.80  ** KEPT (pick-wt=7): 7 [] add(A,B)=add(B,A).
% 1.60/1.80  ** KEPT (pick-wt=11): 8 [] add(add(A,B),C)=add(A,add(B,C)).
% 1.60/1.80  ---> New Demodulator: 9 [new_demod,8] add(add(A,B),C)=add(A,add(B,C)).
% 1.60/1.80  ** KEPT (pick-wt=13): 10 [] negate(add(negate(add(A,B)),negate(add(A,negate(B)))))=A.
% 1.60/1.80  ---> New Demodulator: 11 [new_demod,10] negate(add(negate(add(A,B)),negate(add(A,negate(B)))))=A.
% 1.60/1.80  ** KEPT (pick-wt=5): 12 [] multiply(one,A)=A.
% 1.60/1.80  ---> New Demodulator: 13 [new_demod,12] multiply(one,A)=A.
% 1.60/1.80  ** KEPT (pick-wt=18): 14 [] ife_q2(positive_integer(A),true,add(A,multiply(B,A)),multiply(successor(B),A))=multiply(successor(B),A).
% 1.60/1.80  ---> New Demodulator: 15 [new_demod,14] ife_q2(positive_integer(A),true,add(A,multiply(B,A)),multiply(successor(B),A))=multiply(successor(B),A).
% 1.60/1.80  ** KEPT (pick-wt=4): 16 [] positive_integer(one)=true.
% 1.60/1.80  ---> New Demodulator: 17 [new_demod,16] positive_integer(one)=true.
% 1.60/1.80  ** KEPT (pick-wt=10): 18 [] ife_q(positive_integer(A),true,positive_integer(successor(A)),true)=true.
% 1.60/1.80  ---> New Demodulator: 19 [new_demod,18] ife_q(positive_integer(A),true,positive_integer(successor(A)),true)=true.
% 1.60/1.80  ** KEPT (pick-wt=8): 20 [] negate(add(d,negate(e)))=negate(e).
% 1.60/1.80  ---> New Demodulator: 21 [new_demod,20] negate(add(d,negate(e)))=negate(e).
% 1.60/1.80    Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 1.60/1.80  >>>> Starting back demodulation with 4.
% 1.60/1.80  >>>> Starting back demodulation with 6.
% 1.60/1.80    Following clause subsumed by 7 during input processing: 0 [copy,7,flip.1] add(A,B)=add(B,A).
% 1.60/1.80  >>>> Starting back demodulation with 9.
% 1.60/1.80  >>>> Starting back demodulation with 11.
% 1.60/1.80  >>>> Starting back demodulation with 13.
% 1.60/1.80  >>>> Starting back demodulation with 15.
% 1.60/1.80  >>>> Starting back demodulation with 17.
% 1.60/1.80  >>>> Starting back demodulation with 19.
% 1.60/1.80  >>>> Starting back demodulation with 21.
% 2.10/2.26      >> back demodulating 1 with 21.
% 2.10/2.26  
% 2.10/2.26  ======= end of input processing =======
% 2.10/2.26  
% 2.10/2.26  =========== start of search ===========
% 2.10/2.26  
% 2.10/2.26  
% 2.10/2.26  Resetting weight limit to 13.
% 2.10/2.26  
% 2.10/2.26  
% 2.10/2.26  Resetting weight limit to 13.
% 2.10/2.26  
% 2.10/2.26  sos_size=243
% 2.10/2.26  
% 2.10/2.26  Search stopped because sos empty.
% 2.10/2.26  
% 2.10/2.26  
% 2.10/2.26  Search stopped because sos empty.
% 2.10/2.26  
% 2.10/2.26  ============ end of search ============
% 2.10/2.26  
% 2.10/2.26  -------------- statistics -------------
% 2.10/2.26  clauses given                304
% 2.10/2.26  clauses generated          75979
% 2.10/2.26  clauses kept                 305
% 2.10/2.26  clauses forward subsumed    3907
% 2.10/2.26  clauses back subsumed          0
% 2.10/2.26  Kbytes malloced             6835
% 2.10/2.26  
% 2.10/2.26  ----------- times (seconds) -----------
% 2.10/2.26  user CPU time          0.45          (0 hr, 0 min, 0 sec)
% 2.10/2.26  system CPU time        0.01          (0 hr, 0 min, 0 sec)
% 2.10/2.26  wall-clock time        2             (0 hr, 0 min, 2 sec)
% 2.10/2.26  
% 2.10/2.26  Process 19643 finished Wed Jul 27 04:12:20 2022
% 2.10/2.26  Otter interrupted
% 2.10/2.26  PROOF NOT FOUND
%------------------------------------------------------------------------------