TSTP Solution File: LCL280-3 by Otter---3.3
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- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : LCL280-3 : TPTP v8.1.0. Released v2.3.0.
% 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 13:04:07 EDT 2022
% Result : Unknown 1.90s 2.07s
% Output : None
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12 % Problem : LCL280-3 : TPTP v8.1.0. Released v2.3.0.
% 0.07/0.13 % Command : otter-tptp-script %s
% 0.13/0.35 % Computer : n022.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 09:14:50 EDT 2022
% 0.13/0.35 % CPUTime :
% 1.90/2.07 ----- Otter 3.3f, August 2004 -----
% 1.90/2.07 The process was started by sandbox2 on n022.cluster.edu,
% 1.90/2.07 Wed Jul 27 09:14:50 2022
% 1.90/2.07 The command was "./otter". The process ID is 9407.
% 1.90/2.07
% 1.90/2.07 set(prolog_style_variables).
% 1.90/2.07 set(auto).
% 1.90/2.07 dependent: set(auto1).
% 1.90/2.07 dependent: set(process_input).
% 1.90/2.07 dependent: clear(print_kept).
% 1.90/2.07 dependent: clear(print_new_demod).
% 1.90/2.07 dependent: clear(print_back_demod).
% 1.90/2.07 dependent: clear(print_back_sub).
% 1.90/2.07 dependent: set(control_memory).
% 1.90/2.07 dependent: assign(max_mem, 12000).
% 1.90/2.07 dependent: assign(pick_given_ratio, 4).
% 1.90/2.07 dependent: assign(stats_level, 1).
% 1.90/2.07 dependent: assign(max_seconds, 10800).
% 1.90/2.07 clear(print_given).
% 1.90/2.07
% 1.90/2.07 list(usable).
% 1.90/2.07 0 [] A=A.
% 1.90/2.07 0 [] axiom(implies(or(A,A),A)).
% 1.90/2.07 0 [] axiom(implies(A,or(B,A))).
% 1.90/2.07 0 [] axiom(implies(or(A,B),or(B,A))).
% 1.90/2.07 0 [] axiom(implies(or(A,or(B,C)),or(B,or(A,C)))).
% 1.90/2.07 0 [] axiom(implies(implies(A,B),implies(or(C,A),or(C,B)))).
% 1.90/2.07 0 [] implies(X,Y)=or(not(X),Y).
% 1.90/2.07 0 [] theorem(X)| -axiom(X).
% 1.90/2.07 0 [] theorem(X)| -theorem(implies(Y,X))| -theorem(Y).
% 1.90/2.07 0 [] and(P,Q)=not(or(not(P),not(Q))).
% 1.90/2.07 0 [] e_quivalent(P,Q)=and(implies(P,Q),implies(Q,P)).
% 1.90/2.07 0 [] -theorem(implies(and(e_quivalent(p,r),e_quivalent(q,s)),e_quivalent(or(p,r),or(r,s)))).
% 1.90/2.07 end_of_list.
% 1.90/2.07
% 1.90/2.07 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=3.
% 1.90/2.07
% 1.90/2.07 This is a Horn set with equality. The strategy will be
% 1.90/2.07 Knuth-Bendix and hyper_res, with positive clauses in
% 1.90/2.07 sos and nonpositive clauses in usable.
% 1.90/2.07
% 1.90/2.07 dependent: set(knuth_bendix).
% 1.90/2.07 dependent: set(anl_eq).
% 1.90/2.07 dependent: set(para_from).
% 1.90/2.07 dependent: set(para_into).
% 1.90/2.07 dependent: clear(para_from_right).
% 1.90/2.07 dependent: clear(para_into_right).
% 1.90/2.07 dependent: set(para_from_vars).
% 1.90/2.07 dependent: set(eq_units_both_ways).
% 1.90/2.07 dependent: set(dynamic_demod_all).
% 1.90/2.07 dependent: set(dynamic_demod).
% 1.90/2.07 dependent: set(order_eq).
% 1.90/2.07 dependent: set(back_demod).
% 1.90/2.07 dependent: set(lrpo).
% 1.90/2.07 dependent: set(hyper_res).
% 1.90/2.07 dependent: clear(order_hyper).
% 1.90/2.07
% 1.90/2.07 ------------> process usable:
% 1.90/2.07 ** KEPT (pick-wt=4): 1 [] theorem(A)| -axiom(A).
% 1.90/2.07 ** KEPT (pick-wt=8): 2 [] theorem(A)| -theorem(implies(B,A))| -theorem(B).
% 1.90/2.07 ** KEPT (pick-wt=16): 3 [] -theorem(implies(and(e_quivalent(p,r),e_quivalent(q,s)),e_quivalent(or(p,r),or(r,s)))).
% 1.90/2.07
% 1.90/2.07 ------------> process sos:
% 1.90/2.07 ** KEPT (pick-wt=3): 4 [] A=A.
% 1.90/2.07 ** KEPT (pick-wt=6): 5 [] axiom(implies(or(A,A),A)).
% 1.90/2.07 ** KEPT (pick-wt=6): 6 [] axiom(implies(A,or(B,A))).
% 1.90/2.07 ** KEPT (pick-wt=8): 7 [] axiom(implies(or(A,B),or(B,A))).
% 1.90/2.07 ** KEPT (pick-wt=12): 8 [] axiom(implies(or(A,or(B,C)),or(B,or(A,C)))).
% 1.90/2.07 ** KEPT (pick-wt=12): 9 [] axiom(implies(implies(A,B),implies(or(C,A),or(C,B)))).
% 1.90/2.07 ** KEPT (pick-wt=8): 11 [copy,10,flip.1] or(not(A),B)=implies(A,B).
% 1.90/2.07 ---> New Demodulator: 12 [new_demod,11] or(not(A),B)=implies(A,B).
% 1.90/2.07 ** KEPT (pick-wt=9): 14 [copy,13,demod,12,flip.1] not(implies(A,not(B)))=and(A,B).
% 1.90/2.07 ---> New Demodulator: 15 [new_demod,14] not(implies(A,not(B)))=and(A,B).
% 1.90/2.07 ** KEPT (pick-wt=11): 17 [copy,16,flip.1] and(implies(A,B),implies(B,A))=e_quivalent(A,B).
% 1.90/2.07 ---> New Demodulator: 18 [new_demod,17] and(implies(A,B),implies(B,A))=e_quivalent(A,B).
% 1.90/2.07 Following clause subsumed by 4 during input processing: 0 [copy,4,flip.1] A=A.
% 1.90/2.07 >>>> Starting back demodulation with 12.
% 1.90/2.07 >>>> Starting back demodulation with 15.
% 1.90/2.07 >>>> Starting back demodulation with 18.
% 1.90/2.07
% 1.90/2.07 ======= end of input processing =======
% 1.90/2.07
% 1.90/2.07 =========== start of search ===========
% 1.90/2.07
% 1.90/2.07
% 1.90/2.07 Resetting weight limit to 10.
% 1.90/2.07
% 1.90/2.07
% 1.90/2.07 Resetting weight limit to 10.
% 1.90/2.07
% 1.90/2.07 sos_size=149
% 1.90/2.07
% 1.90/2.07
% 1.90/2.07 Resetting weight limit to 8.
% 1.90/2.07
% 1.90/2.07
% 1.90/2.07 Resetting weight limit to 8.
% 1.90/2.07
% 1.90/2.07 sos_size=192
% 1.90/2.07
% 1.90/2.07 Search stopped because sos empty.
% 1.90/2.07
% 1.90/2.07
% 1.90/2.07 Search stopped because sos empty.
% 1.90/2.07
% 1.90/2.07 ============ end of search ============
% 1.90/2.07
% 1.90/2.07 -------------- statistics -------------
% 1.90/2.07 clauses given 374
% 1.90/2.07 clauses generated 31613
% 1.90/2.07 clauses kept 411
% 1.90/2.07 clauses forward subsumed 16650
% 1.90/2.07 clauses back subsumed 38
% 1.90/2.07 Kbytes malloced 8789
% 1.90/2.07
% 1.90/2.07 ----------- times (seconds) -----------
% 1.90/2.07 user CPU time 0.13 (0 hr, 0 min, 0 sec)
% 1.90/2.07 system CPU time 0.01 (0 hr, 0 min, 0 sec)
% 1.90/2.07 wall-clock time 2 (0 hr, 0 min, 2 sec)
% 1.90/2.07
% 1.90/2.07 Process 9407 finished Wed Jul 27 09:14:52 2022
% 1.90/2.07 Otter interrupted
% 1.90/2.07 PROOF NOT FOUND
%------------------------------------------------------------------------------