TSTP Solution File: ROB007-4 by Otter---3.3
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- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : ROB007-4 : TPTP v8.1.0. Bugfixed v3.1.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n021.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 13:12:22 EDT 2022
% Result : Unknown 2.76s 2.97s
% Output : None
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.13 % Problem : ROB007-4 : TPTP v8.1.0. Bugfixed v3.1.0.
% 0.07/0.14 % Command : otter-tptp-script %s
% 0.13/0.35 % Computer : n021.cluster.edu
% 0.13/0.35 % Model : x86_64 x86_64
% 0.13/0.35 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.35 % Memory : 8042.1875MB
% 0.13/0.35 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.35 % CPULimit : 300
% 0.13/0.35 % WCLimit : 300
% 0.13/0.35 % DateTime : Wed Jul 27 03:59:38 EDT 2022
% 0.13/0.35 % CPUTime :
% 2.76/2.97 ----- Otter 3.3f, August 2004 -----
% 2.76/2.97 The process was started by sandbox2 on n021.cluster.edu,
% 2.76/2.97 Wed Jul 27 03:59:38 2022
% 2.76/2.97 The command was "./otter". The process ID is 3458.
% 2.76/2.97
% 2.76/2.97 set(prolog_style_variables).
% 2.76/2.97 set(auto).
% 2.76/2.97 dependent: set(auto1).
% 2.76/2.97 dependent: set(process_input).
% 2.76/2.97 dependent: clear(print_kept).
% 2.76/2.97 dependent: clear(print_new_demod).
% 2.76/2.97 dependent: clear(print_back_demod).
% 2.76/2.97 dependent: clear(print_back_sub).
% 2.76/2.97 dependent: set(control_memory).
% 2.76/2.97 dependent: assign(max_mem, 12000).
% 2.76/2.97 dependent: assign(pick_given_ratio, 4).
% 2.76/2.97 dependent: assign(stats_level, 1).
% 2.76/2.97 dependent: assign(max_seconds, 10800).
% 2.76/2.97 clear(print_given).
% 2.76/2.97
% 2.76/2.97 list(usable).
% 2.76/2.97 0 [] A=A.
% 2.76/2.97 0 [] add(X,Y)=add(Y,X).
% 2.76/2.97 0 [] add(add(X,Y),Z)=add(X,add(Y,Z)).
% 2.76/2.97 0 [] negate(add(negate(add(X,Y)),negate(add(X,negate(Y)))))=X.
% 2.76/2.97 0 [] multiply(one,X)=X.
% 2.76/2.97 0 [] -positive_integer(X)|multiply(successor(V),X)=add(X,multiply(V,X)).
% 2.76/2.97 0 [] positive_integer(one).
% 2.76/2.97 0 [] -positive_integer(X)|positive_integer(successor(X)).
% 2.76/2.97 0 [] add(X,Y)!=Y.
% 2.76/2.97 0 [] negate(add(X,negate(Y)))!=negate(Y)|add(Y,multiply(successor(successor(one)),add(X,negate(add(X,negate(Y))))))=add(Y,multiply(successor(one),add(X,negate(add(X,negate(Y)))))).
% 2.76/2.97 0 [] negate(add(negate(Y),negate(add(X,negate(Y)))))!=X|add(Y,multiply(successor(successor(one)),add(X,negate(add(X,negate(Y))))))=add(Y,multiply(successor(one),add(X,negate(add(X,negate(Y)))))).
% 2.76/2.97 0 [] negate(add(a,b))=negate(b).
% 2.76/2.97 0 [] add(X,X)!=X.
% 2.76/2.97 end_of_list.
% 2.76/2.97
% 2.76/2.97 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=2.
% 2.76/2.97
% 2.76/2.97 This is a Horn set with equality. The strategy will be
% 2.76/2.97 Knuth-Bendix and hyper_res, with positive clauses in
% 2.76/2.97 sos and nonpositive clauses in usable.
% 2.76/2.97
% 2.76/2.97 dependent: set(knuth_bendix).
% 2.76/2.97 dependent: set(anl_eq).
% 2.76/2.97 dependent: set(para_from).
% 2.76/2.97 dependent: set(para_into).
% 2.76/2.97 dependent: clear(para_from_right).
% 2.76/2.97 dependent: clear(para_into_right).
% 2.76/2.97 dependent: set(para_from_vars).
% 2.76/2.97 dependent: set(eq_units_both_ways).
% 2.76/2.97 dependent: set(dynamic_demod_all).
% 2.76/2.97 dependent: set(dynamic_demod).
% 2.76/2.97 dependent: set(order_eq).
% 2.76/2.97 dependent: set(back_demod).
% 2.76/2.97 dependent: set(lrpo).
% 2.76/2.97 dependent: set(hyper_res).
% 2.76/2.97 dependent: clear(order_hyper).
% 2.76/2.97
% 2.76/2.97 ------------> process usable:
% 2.76/2.97 ** KEPT (pick-wt=12): 1 [] -positive_integer(A)|multiply(successor(B),A)=add(A,multiply(B,A)).
% 2.76/2.97 ** KEPT (pick-wt=5): 2 [] -positive_integer(A)|positive_integer(successor(A)).
% 2.76/2.97 ** KEPT (pick-wt=5): 3 [] add(A,B)!=B.
% 2.76/2.97 ** KEPT (pick-wt=34): 4 [] negate(add(A,negate(B)))!=negate(B)|add(B,multiply(successor(successor(one)),add(A,negate(add(A,negate(B))))))=add(B,multiply(successor(one),add(A,negate(add(A,negate(B)))))).
% 2.76/2.97 ** KEPT (pick-wt=37): 5 [] negate(add(negate(A),negate(add(B,negate(A)))))!=B|add(A,multiply(successor(successor(one)),add(B,negate(add(B,negate(A))))))=add(A,multiply(successor(one),add(B,negate(add(B,negate(A)))))).
% 2.76/2.97 Following clause subsumed by 3 during input processing: 0 [] add(A,A)!=A.
% 2.76/2.97
% 2.76/2.97 ------------> process sos:
% 2.76/2.97 ** KEPT (pick-wt=3): 6 [] A=A.
% 2.76/2.97 ** KEPT (pick-wt=7): 7 [] add(A,B)=add(B,A).
% 2.76/2.97 ** KEPT (pick-wt=11): 8 [] add(add(A,B),C)=add(A,add(B,C)).
% 2.76/2.97 ---> New Demodulator: 9 [new_demod,8] add(add(A,B),C)=add(A,add(B,C)).
% 2.76/2.97 ** KEPT (pick-wt=13): 10 [] negate(add(negate(add(A,B)),negate(add(A,negate(B)))))=A.
% 2.76/2.97 ---> New Demodulator: 11 [new_demod,10] negate(add(negate(add(A,B)),negate(add(A,negate(B)))))=A.
% 2.76/2.97 ** KEPT (pick-wt=5): 12 [] multiply(one,A)=A.
% 2.76/2.97 ---> New Demodulator: 13 [new_demod,12] multiply(one,A)=A.
% 2.76/2.97 ** KEPT (pick-wt=2): 14 [] positive_integer(one).
% 2.76/2.97 ** KEPT (pick-wt=7): 15 [] negate(add(a,b))=negate(b).
% 2.76/2.97 ---> New Demodulator: 16 [new_demod,15] negate(add(a,b))=negate(b).
% 2.76/2.97 Following clause subsumed by 6 during input processing: 0 [copy,6,flip.1] A=A.
% 2.76/2.97 Following clause subsumed by 7 during input processing: 0 [copy,7,flip.1] add(A,B)=add(B,A).
% 2.76/2.97 >>>> Starting back demodulation with 9.
% 2.76/2.97 >>>> Starting back demodulation with 11.
% 2.76/2.97 >>>> Starting back demodulation with 13.
% 2.76/2.97 >>>> Starting back demodulation with 16.
% 2.76/2.97
% 2.76/2.97 ======= end of input processing =======
% 2.76/2.97
% 2.76/2.97 =========== start of search ===========
% 2.76/2.97
% 2.76/2.97
% 2.76/2.97 Resetting weight limit to 11.
% 2.76/2.97
% 2.76/2.97
% 2.76/2.97 Resetting weight limit to 11.
% 2.76/2.97
% 2.76/2.97 sos_size=295
% 2.76/2.97
% 2.76/2.97 Search stopped because sos empty.
% 2.76/2.97
% 2.76/2.97
% 2.76/2.97 Search stopped because sos empty.
% 2.76/2.97
% 2.76/2.97 ============ end of search ============
% 2.76/2.97
% 2.76/2.97 -------------- statistics -------------
% 2.76/2.97 clauses given 344
% 2.76/2.97 clauses generated 88931
% 2.76/2.97 clauses kept 349
% 2.76/2.97 clauses forward subsumed 1011
% 2.76/2.97 clauses back subsumed 0
% 2.76/2.97 Kbytes malloced 7812
% 2.76/2.97
% 2.76/2.97 ----------- times (seconds) -----------
% 2.76/2.97 user CPU time 1.19 (0 hr, 0 min, 1 sec)
% 2.76/2.97 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 2.76/2.97 wall-clock time 2 (0 hr, 0 min, 2 sec)
% 2.76/2.97
% 2.76/2.97 Process 3458 finished Wed Jul 27 03:59:40 2022
% 2.76/2.97 Otter interrupted
% 2.76/2.97 PROOF NOT FOUND
%------------------------------------------------------------------------------