TSTP Solution File: GRP181-4 by Otter---3.3
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : GRP181-4 : TPTP v8.1.0. Bugfixed v1.2.1.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n014.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 12:56:39 EDT 2022
% Result : Unknown 2.65s 2.85s
% Output : None
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.10/0.12 % Problem : GRP181-4 : TPTP v8.1.0. Bugfixed v1.2.1.
% 0.10/0.12 % Command : otter-tptp-script %s
% 0.12/0.33 % Computer : n014.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 05:03:24 EDT 2022
% 0.12/0.33 % CPUTime :
% 1.70/1.89 ----- Otter 3.3f, August 2004 -----
% 1.70/1.89 The process was started by sandbox2 on n014.cluster.edu,
% 1.70/1.89 Wed Jul 27 05:03:24 2022
% 1.70/1.89 The command was "./otter". The process ID is 9389.
% 1.70/1.89
% 1.70/1.89 set(prolog_style_variables).
% 1.70/1.89 set(auto).
% 1.70/1.89 dependent: set(auto1).
% 1.70/1.89 dependent: set(process_input).
% 1.70/1.89 dependent: clear(print_kept).
% 1.70/1.89 dependent: clear(print_new_demod).
% 1.70/1.89 dependent: clear(print_back_demod).
% 1.70/1.89 dependent: clear(print_back_sub).
% 1.70/1.89 dependent: set(control_memory).
% 1.70/1.89 dependent: assign(max_mem, 12000).
% 1.70/1.89 dependent: assign(pick_given_ratio, 4).
% 1.70/1.89 dependent: assign(stats_level, 1).
% 1.70/1.89 dependent: assign(max_seconds, 10800).
% 1.70/1.89 clear(print_given).
% 1.70/1.89
% 1.70/1.89 list(usable).
% 1.70/1.89 0 [] A=A.
% 1.70/1.89 0 [] multiply(identity,X)=X.
% 1.70/1.89 0 [] multiply(inverse(X),X)=identity.
% 1.70/1.89 0 [] multiply(multiply(X,Y),Z)=multiply(X,multiply(Y,Z)).
% 1.70/1.89 0 [] greatest_lower_bound(X,Y)=greatest_lower_bound(Y,X).
% 1.70/1.89 0 [] least_upper_bound(X,Y)=least_upper_bound(Y,X).
% 1.70/1.89 0 [] greatest_lower_bound(X,greatest_lower_bound(Y,Z))=greatest_lower_bound(greatest_lower_bound(X,Y),Z).
% 1.70/1.89 0 [] least_upper_bound(X,least_upper_bound(Y,Z))=least_upper_bound(least_upper_bound(X,Y),Z).
% 1.70/1.89 0 [] least_upper_bound(X,X)=X.
% 1.70/1.89 0 [] greatest_lower_bound(X,X)=X.
% 1.70/1.89 0 [] least_upper_bound(X,greatest_lower_bound(X,Y))=X.
% 1.70/1.89 0 [] greatest_lower_bound(X,least_upper_bound(X,Y))=X.
% 1.70/1.89 0 [] multiply(X,least_upper_bound(Y,Z))=least_upper_bound(multiply(X,Y),multiply(X,Z)).
% 1.70/1.89 0 [] multiply(X,greatest_lower_bound(Y,Z))=greatest_lower_bound(multiply(X,Y),multiply(X,Z)).
% 1.70/1.89 0 [] multiply(least_upper_bound(Y,Z),X)=least_upper_bound(multiply(Y,X),multiply(Z,X)).
% 1.70/1.89 0 [] multiply(greatest_lower_bound(Y,Z),X)=greatest_lower_bound(multiply(Y,X),multiply(Z,X)).
% 1.70/1.89 0 [] inverse(identity)=identity.
% 1.70/1.89 0 [] inverse(inverse(X))=X.
% 1.70/1.89 0 [] inverse(multiply(X,Y))=multiply(inverse(Y),inverse(X)).
% 1.70/1.89 0 [] greatest_lower_bound(a,c)=greatest_lower_bound(b,c).
% 1.70/1.89 0 [] least_upper_bound(a,c)=least_upper_bound(b,c).
% 1.70/1.89 0 [] inverse(greatest_lower_bound(X,Y))=least_upper_bound(inverse(X),inverse(Y)).
% 1.70/1.89 0 [] inverse(least_upper_bound(X,Y))=greatest_lower_bound(inverse(X),inverse(Y)).
% 1.70/1.89 0 [] a!=b.
% 1.70/1.89 end_of_list.
% 1.70/1.89
% 1.70/1.89 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 1.70/1.89
% 1.70/1.89 All clauses are units, and equality is present; the
% 1.70/1.89 strategy will be Knuth-Bendix with positive clauses in sos.
% 1.70/1.89
% 1.70/1.89 dependent: set(knuth_bendix).
% 1.70/1.89 dependent: set(anl_eq).
% 1.70/1.89 dependent: set(para_from).
% 1.70/1.89 dependent: set(para_into).
% 1.70/1.89 dependent: clear(para_from_right).
% 1.70/1.89 dependent: clear(para_into_right).
% 1.70/1.89 dependent: set(para_from_vars).
% 1.70/1.89 dependent: set(eq_units_both_ways).
% 1.70/1.89 dependent: set(dynamic_demod_all).
% 1.70/1.89 dependent: set(dynamic_demod).
% 1.70/1.89 dependent: set(order_eq).
% 1.70/1.89 dependent: set(back_demod).
% 1.70/1.89 dependent: set(lrpo).
% 1.70/1.89
% 1.70/1.89 ------------> process usable:
% 1.70/1.89 ** KEPT (pick-wt=3): 2 [copy,1,flip.1] b!=a.
% 1.70/1.89
% 1.70/1.89 ------------> process sos:
% 1.70/1.89 ** KEPT (pick-wt=3): 3 [] A=A.
% 1.70/1.89 ** KEPT (pick-wt=5): 4 [] multiply(identity,A)=A.
% 1.70/1.89 ---> New Demodulator: 5 [new_demod,4] multiply(identity,A)=A.
% 1.70/1.89 ** KEPT (pick-wt=6): 6 [] multiply(inverse(A),A)=identity.
% 1.70/1.89 ---> New Demodulator: 7 [new_demod,6] multiply(inverse(A),A)=identity.
% 1.70/1.89 ** KEPT (pick-wt=11): 8 [] multiply(multiply(A,B),C)=multiply(A,multiply(B,C)).
% 1.70/1.89 ---> New Demodulator: 9 [new_demod,8] multiply(multiply(A,B),C)=multiply(A,multiply(B,C)).
% 1.70/1.89 ** KEPT (pick-wt=7): 10 [] greatest_lower_bound(A,B)=greatest_lower_bound(B,A).
% 1.70/1.89 ** KEPT (pick-wt=7): 11 [] least_upper_bound(A,B)=least_upper_bound(B,A).
% 1.70/1.89 ** KEPT (pick-wt=11): 13 [copy,12,flip.1] greatest_lower_bound(greatest_lower_bound(A,B),C)=greatest_lower_bound(A,greatest_lower_bound(B,C)).
% 1.70/1.89 ---> New Demodulator: 14 [new_demod,13] greatest_lower_bound(greatest_lower_bound(A,B),C)=greatest_lower_bound(A,greatest_lower_bound(B,C)).
% 1.70/1.89 ** KEPT (pick-wt=11): 16 [copy,15,flip.1] least_upper_bound(least_upper_bound(A,B),C)=least_upper_bound(A,least_upper_bound(B,C)).
% 1.70/1.89 ---> New Demodulator: 17 [new_demod,16] least_upper_bound(least_upper_bound(A,B),C)=least_upper_bound(A,least_upper_bound(B,C)).
% 1.70/1.89 ** KEPT (pick-wt=5): 18 [] least_upper_bound(A,A)=A.
% 1.70/1.89 ---> New Demodulator: 19 [new_demod,18] least_upper_bound(A,A)=A.
% 1.70/1.89 ** KEPT (pick-wt=5): 20 [] greatest_lower_bound(A,A)=A.
% 1.70/1.89 ---> New Demodulator: 21 [new_demod,20] greatest_lower_bound(A,A)=A.
% 2.65/2.84 ** KEPT (pick-wt=7): 22 [] least_upper_bound(A,greatest_lower_bound(A,B))=A.
% 2.65/2.84 ---> New Demodulator: 23 [new_demod,22] least_upper_bound(A,greatest_lower_bound(A,B))=A.
% 2.65/2.84 ** KEPT (pick-wt=7): 24 [] greatest_lower_bound(A,least_upper_bound(A,B))=A.
% 2.65/2.84 ---> New Demodulator: 25 [new_demod,24] greatest_lower_bound(A,least_upper_bound(A,B))=A.
% 2.65/2.84 ** KEPT (pick-wt=13): 26 [] multiply(A,least_upper_bound(B,C))=least_upper_bound(multiply(A,B),multiply(A,C)).
% 2.65/2.84 ---> New Demodulator: 27 [new_demod,26] multiply(A,least_upper_bound(B,C))=least_upper_bound(multiply(A,B),multiply(A,C)).
% 2.65/2.84 ** KEPT (pick-wt=13): 28 [] multiply(A,greatest_lower_bound(B,C))=greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 2.65/2.84 ---> New Demodulator: 29 [new_demod,28] multiply(A,greatest_lower_bound(B,C))=greatest_lower_bound(multiply(A,B),multiply(A,C)).
% 2.65/2.84 ** KEPT (pick-wt=13): 30 [] multiply(least_upper_bound(A,B),C)=least_upper_bound(multiply(A,C),multiply(B,C)).
% 2.65/2.84 ---> New Demodulator: 31 [new_demod,30] multiply(least_upper_bound(A,B),C)=least_upper_bound(multiply(A,C),multiply(B,C)).
% 2.65/2.84 ** KEPT (pick-wt=13): 32 [] multiply(greatest_lower_bound(A,B),C)=greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 2.65/2.84 ---> New Demodulator: 33 [new_demod,32] multiply(greatest_lower_bound(A,B),C)=greatest_lower_bound(multiply(A,C),multiply(B,C)).
% 2.65/2.84 ** KEPT (pick-wt=4): 34 [] inverse(identity)=identity.
% 2.65/2.84 ---> New Demodulator: 35 [new_demod,34] inverse(identity)=identity.
% 2.65/2.84 ** KEPT (pick-wt=5): 36 [] inverse(inverse(A))=A.
% 2.65/2.84 ---> New Demodulator: 37 [new_demod,36] inverse(inverse(A))=A.
% 2.65/2.84 ** KEPT (pick-wt=10): 38 [] inverse(multiply(A,B))=multiply(inverse(B),inverse(A)).
% 2.65/2.84 ---> New Demodulator: 39 [new_demod,38] inverse(multiply(A,B))=multiply(inverse(B),inverse(A)).
% 2.65/2.84 ** KEPT (pick-wt=7): 41 [copy,40,flip.1] greatest_lower_bound(b,c)=greatest_lower_bound(a,c).
% 2.65/2.84 ---> New Demodulator: 42 [new_demod,41] greatest_lower_bound(b,c)=greatest_lower_bound(a,c).
% 2.65/2.84 ** KEPT (pick-wt=7): 44 [copy,43,flip.1] least_upper_bound(b,c)=least_upper_bound(a,c).
% 2.65/2.84 ---> New Demodulator: 45 [new_demod,44] least_upper_bound(b,c)=least_upper_bound(a,c).
% 2.65/2.84 ** KEPT (pick-wt=10): 46 [] inverse(greatest_lower_bound(A,B))=least_upper_bound(inverse(A),inverse(B)).
% 2.65/2.84 ---> New Demodulator: 47 [new_demod,46] inverse(greatest_lower_bound(A,B))=least_upper_bound(inverse(A),inverse(B)).
% 2.65/2.84 ** KEPT (pick-wt=10): 48 [] inverse(least_upper_bound(A,B))=greatest_lower_bound(inverse(A),inverse(B)).
% 2.65/2.84 ---> New Demodulator: 49 [new_demod,48] inverse(least_upper_bound(A,B))=greatest_lower_bound(inverse(A),inverse(B)).
% 2.65/2.84 Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] A=A.
% 2.65/2.84 >>>> Starting back demodulation with 5.
% 2.65/2.84 >>>> Starting back demodulation with 7.
% 2.65/2.84 >>>> Starting back demodulation with 9.
% 2.65/2.84 Following clause subsumed by 10 during input processing: 0 [copy,10,flip.1] greatest_lower_bound(A,B)=greatest_lower_bound(B,A).
% 2.65/2.84 Following clause subsumed by 11 during input processing: 0 [copy,11,flip.1] least_upper_bound(A,B)=least_upper_bound(B,A).
% 2.65/2.84 >>>> Starting back demodulation with 14.
% 2.65/2.84 >>>> Starting back demodulation with 17.
% 2.65/2.84 >>>> Starting back demodulation with 19.
% 2.65/2.84 >>>> Starting back demodulation with 21.
% 2.65/2.84 >>>> Starting back demodulation with 23.
% 2.65/2.84 >>>> Starting back demodulation with 25.
% 2.65/2.84 >>>> Starting back demodulation with 27.
% 2.65/2.84 >>>> Starting back demodulation with 29.
% 2.65/2.84 >>>> Starting back demodulation with 31.
% 2.65/2.84 >>>> Starting back demodulation with 33.
% 2.65/2.84 >>>> Starting back demodulation with 35.
% 2.65/2.84 >>>> Starting back demodulation with 37.
% 2.65/2.84 >>>> Starting back demodulation with 39.
% 2.65/2.84 >>>> Starting back demodulation with 42.
% 2.65/2.84 >>>> Starting back demodulation with 45.
% 2.65/2.84 >>>> Starting back demodulation with 47.
% 2.65/2.84 >>>> Starting back demodulation with 49.
% 2.65/2.84
% 2.65/2.84 ======= end of input processing =======
% 2.65/2.84
% 2.65/2.84 =========== start of search ===========
% 2.65/2.84
% 2.65/2.84
% 2.65/2.84 Resetting weight limit to 11.
% 2.65/2.84
% 2.65/2.84
% 2.65/2.84 Resetting weight limit to 11.
% 2.65/2.84
% 2.65/2.84 sos_size=436
% 2.65/2.84
% 2.65/2.84
% 2.65/2.84 Resetting weight limit to 10.
% 2.65/2.84
% 2.65/2.84
% 2.65/2.84 Resetting weight limit to 10.
% 2.65/2.84
% 2.65/2.84 sos_size=350
% 2.65/2.84
% 2.65/2.84 Search stopped because sos empty.
% 2.65/2.84
% 2.65/2.84
% 2.65/2.84 Search stopped because sos empty.
% 2.65/2.84
% 2.65/2.84 ============ end of search ============
% 2.65/2.84
% 2.65/2.84 -------------- statistics -------------
% 2.65/2.84 clauses given 730
% 2.65/2.84 clauses generated 180159
% 2.65/2.84 clauses kept 762
% 2.65/2.84 clauses forward subsumed 72780
% 2.65/2.84 clauses back subsumed 2
% 2.65/2.84 Kbytes malloced 7812
% 2.65/2.84
% 2.65/2.84 ----------- times (seconds) -----------
% 2.65/2.84 user CPU time 0.95 (0 hr, 0 min, 0 sec)
% 2.65/2.84 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 2.65/2.84 wall-clock time 2 (0 hr, 0 min, 2 sec)
% 2.65/2.84
% 2.65/2.84 Process 9389 finished Wed Jul 27 05:03:26 2022
% 2.65/2.85 Otter interrupted
% 2.65/2.85 PROOF NOT FOUND
%------------------------------------------------------------------------------