TSTP Solution File: LCL109-10 by Otter---3.3
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : LCL109-10 : TPTP v8.1.0. Released v7.5.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n024.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 13:03:34 EDT 2022
% Result : Unknown 7.59s 7.83s
% Output : None
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.08/0.12 % Problem : LCL109-10 : TPTP v8.1.0. Released v7.5.0.
% 0.08/0.12 % Command : otter-tptp-script %s
% 0.12/0.33 % Computer : n024.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 09:21:25 EDT 2022
% 0.12/0.33 % CPUTime :
% 1.73/1.95 ----- Otter 3.3f, August 2004 -----
% 1.73/1.95 The process was started by sandbox2 on n024.cluster.edu,
% 1.73/1.95 Wed Jul 27 09:21:25 2022
% 1.73/1.95 The command was "./otter". The process ID is 29796.
% 1.73/1.95
% 1.73/1.95 set(prolog_style_variables).
% 1.73/1.95 set(auto).
% 1.73/1.95 dependent: set(auto1).
% 1.73/1.95 dependent: set(process_input).
% 1.73/1.95 dependent: clear(print_kept).
% 1.73/1.95 dependent: clear(print_new_demod).
% 1.73/1.95 dependent: clear(print_back_demod).
% 1.73/1.95 dependent: clear(print_back_sub).
% 1.73/1.95 dependent: set(control_memory).
% 1.73/1.95 dependent: assign(max_mem, 12000).
% 1.73/1.95 dependent: assign(pick_given_ratio, 4).
% 1.73/1.95 dependent: assign(stats_level, 1).
% 1.73/1.95 dependent: assign(max_seconds, 10800).
% 1.73/1.95 clear(print_given).
% 1.73/1.95
% 1.73/1.95 list(usable).
% 1.73/1.95 0 [] A=A.
% 1.73/1.95 0 [] ife_q(A,A,B,C)=B.
% 1.73/1.95 0 [] implies(truth,X)=X.
% 1.73/1.95 0 [] implies(implies(X,Y),implies(implies(Y,Z),implies(X,Z)))=truth.
% 1.73/1.95 0 [] implies(implies(X,Y),Y)=implies(implies(Y,X),X).
% 1.73/1.95 0 [] implies(implies(not(X),not(Y)),implies(Y,X))=truth.
% 1.73/1.95 0 [] implies(X,X)=truth.
% 1.73/1.95 0 [] ife_q(implies(X,Y),implies(Y,X),X,Y)=Y.
% 1.73/1.95 0 [] implies(X,truth)=truth.
% 1.73/1.95 0 [] implies(X,implies(Y,X))=truth.
% 1.73/1.95 0 [] ife_q(implies(X,Y),implies(Y,Z),implies(X,Z),truth)=truth.
% 1.73/1.95 0 [] implies(implies(X,Y),implies(implies(Z,X),implies(Z,Y)))=truth.
% 1.73/1.95 0 [] implies(X,implies(Y,Z))=implies(Y,implies(X,Z)).
% 1.73/1.95 0 [] implies(X,not(truth))=not(X).
% 1.73/1.95 0 [] not(not(X))=X.
% 1.73/1.95 0 [] implies(not(X),not(Y))=implies(Y,X).
% 1.73/1.95 0 [] implies(implies(implies(a,b),implies(b,a)),implies(b,a))!=truth.
% 1.73/1.95 end_of_list.
% 1.73/1.95
% 1.73/1.95 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 1.73/1.95
% 1.73/1.95 All clauses are units, and equality is present; the
% 1.73/1.95 strategy will be Knuth-Bendix with positive clauses in sos.
% 1.73/1.95
% 1.73/1.95 dependent: set(knuth_bendix).
% 1.73/1.95 dependent: set(anl_eq).
% 1.73/1.95 dependent: set(para_from).
% 1.73/1.95 dependent: set(para_into).
% 1.73/1.95 dependent: clear(para_from_right).
% 1.73/1.95 dependent: clear(para_into_right).
% 1.73/1.95 dependent: set(para_from_vars).
% 1.73/1.95 dependent: set(eq_units_both_ways).
% 1.73/1.95 dependent: set(dynamic_demod_all).
% 1.73/1.95 dependent: set(dynamic_demod).
% 1.73/1.95 dependent: set(order_eq).
% 1.73/1.95 dependent: set(back_demod).
% 1.73/1.95 dependent: set(lrpo).
% 1.73/1.95
% 1.73/1.95 ------------> process usable:
% 1.73/1.95 ** KEPT (pick-wt=13): 1 [] implies(implies(implies(a,b),implies(b,a)),implies(b,a))!=truth.
% 1.73/1.95
% 1.73/1.95 ------------> process sos:
% 1.73/1.95 ** KEPT (pick-wt=3): 2 [] A=A.
% 1.73/1.95 ** KEPT (pick-wt=7): 3 [] ife_q(A,A,B,C)=B.
% 1.73/1.95 ---> New Demodulator: 4 [new_demod,3] ife_q(A,A,B,C)=B.
% 1.73/1.95 ** KEPT (pick-wt=5): 5 [] implies(truth,A)=A.
% 1.73/1.95 ---> New Demodulator: 6 [new_demod,5] implies(truth,A)=A.
% 1.73/1.95 ** KEPT (pick-wt=13): 7 [] implies(implies(A,B),implies(implies(B,C),implies(A,C)))=truth.
% 1.73/1.95 ---> New Demodulator: 8 [new_demod,7] implies(implies(A,B),implies(implies(B,C),implies(A,C)))=truth.
% 1.73/1.95 ** KEPT (pick-wt=11): 9 [] implies(implies(A,B),B)=implies(implies(B,A),A).
% 1.73/1.95 ** KEPT (pick-wt=11): 10 [] implies(implies(not(A),not(B)),implies(B,A))=truth.
% 1.73/1.95 ---> New Demodulator: 11 [new_demod,10] implies(implies(not(A),not(B)),implies(B,A))=truth.
% 1.73/1.95 ** KEPT (pick-wt=5): 12 [] implies(A,A)=truth.
% 1.73/1.95 ---> New Demodulator: 13 [new_demod,12] implies(A,A)=truth.
% 1.73/1.95 ** KEPT (pick-wt=11): 14 [] ife_q(implies(A,B),implies(B,A),A,B)=B.
% 1.73/1.95 ---> New Demodulator: 15 [new_demod,14] ife_q(implies(A,B),implies(B,A),A,B)=B.
% 1.73/1.95 ** KEPT (pick-wt=5): 16 [] implies(A,truth)=truth.
% 1.73/1.95 ---> New Demodulator: 17 [new_demod,16] implies(A,truth)=truth.
% 1.73/1.95 ** KEPT (pick-wt=7): 18 [] implies(A,implies(B,A))=truth.
% 1.73/1.95 ---> New Demodulator: 19 [new_demod,18] implies(A,implies(B,A))=truth.
% 1.73/1.95 ** KEPT (pick-wt=13): 20 [] ife_q(implies(A,B),implies(B,C),implies(A,C),truth)=truth.
% 1.73/1.95 ---> New Demodulator: 21 [new_demod,20] ife_q(implies(A,B),implies(B,C),implies(A,C),truth)=truth.
% 1.73/1.95 ** KEPT (pick-wt=13): 22 [] implies(implies(A,B),implies(implies(C,A),implies(C,B)))=truth.
% 1.73/1.95 ---> New Demodulator: 23 [new_demod,22] implies(implies(A,B),implies(implies(C,A),implies(C,B)))=truth.
% 1.73/1.95 ** KEPT (pick-wt=11): 24 [] implies(A,implies(B,C))=implies(B,implies(A,C)).
% 1.73/1.95 ** KEPT (pick-wt=7): 25 [] implies(A,not(truth))=not(A).
% 1.73/1.95 ** KEPT (pick-wt=5): 26 [] not(not(A))=A.
% 1.73/1.95 ---> New Demodulator: 27 [new_demod,26] not(not(A))=A.
% 1.73/1.95 ** KEPT (pick-wt=9): 28 [] implies(not(A),not(B))=implies(B,A).
% 1.73/1.95 Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 1.73/1.95 >>>> Starting back demodulation with 4.
% 7.59/7.83 >>>> Starting back demodulation with 6.
% 7.59/7.83 >>>> Starting back demodulation with 8.
% 7.59/7.83 Following clause subsumed by 9 during input processing: 0 [copy,9,flip.1] implies(implies(A,B),B)=implies(implies(B,A),A).
% 7.59/7.83 >>>> Starting back demodulation with 11.
% 7.59/7.83 >>>> Starting back demodulation with 13.
% 7.59/7.83 >>>> Starting back demodulation with 15.
% 7.59/7.83 >>>> Starting back demodulation with 17.
% 7.59/7.83 >>>> Starting back demodulation with 19.
% 7.59/7.83 >>>> Starting back demodulation with 21.
% 7.59/7.83 >>>> Starting back demodulation with 23.
% 7.59/7.83 Following clause subsumed by 24 during input processing: 0 [copy,24,flip.1] implies(A,implies(B,C))=implies(B,implies(A,C)).
% 7.59/7.83 ** KEPT (pick-wt=7): 29 [copy,25,flip.1] not(A)=implies(A,not(truth)).
% 7.59/7.83 >>>> Starting back demodulation with 27.
% 7.59/7.83 ** KEPT (pick-wt=9): 30 [copy,28,flip.1] implies(A,B)=implies(not(B),not(A)).
% 7.59/7.83 Following clause subsumed by 25 during input processing: 0 [copy,29,flip.1] implies(A,not(truth))=not(A).
% 7.59/7.83 Following clause subsumed by 28 during input processing: 0 [copy,30,flip.1] implies(not(A),not(B))=implies(B,A).
% 7.59/7.83
% 7.59/7.83 ======= end of input processing =======
% 7.59/7.83
% 7.59/7.83 =========== start of search ===========
% 7.59/7.83
% 7.59/7.83
% 7.59/7.83 Resetting weight limit to 11.
% 7.59/7.83
% 7.59/7.83
% 7.59/7.83 Resetting weight limit to 11.
% 7.59/7.83
% 7.59/7.83 sos_size=660
% 7.59/7.83
% 7.59/7.83 Search stopped because sos empty.
% 7.59/7.83
% 7.59/7.83
% 7.59/7.83 Search stopped because sos empty.
% 7.59/7.83
% 7.59/7.83 ============ end of search ============
% 7.59/7.83
% 7.59/7.83 -------------- statistics -------------
% 7.59/7.83 clauses given 752
% 7.59/7.83 clauses generated 1008484
% 7.59/7.83 clauses kept 786
% 7.59/7.83 clauses forward subsumed 548316
% 7.59/7.83 clauses back subsumed 0
% 7.59/7.83 Kbytes malloced 7812
% 7.59/7.83
% 7.59/7.83 ----------- times (seconds) -----------
% 7.59/7.83 user CPU time 5.87 (0 hr, 0 min, 5 sec)
% 7.59/7.83 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 7.59/7.83 wall-clock time 7 (0 hr, 0 min, 7 sec)
% 7.59/7.83
% 7.59/7.83 Process 29796 finished Wed Jul 27 09:21:32 2022
% 7.59/7.83 Otter interrupted
% 7.59/7.83 PROOF NOT FOUND
%------------------------------------------------------------------------------