TSTP Solution File: COL012-1 by Otter---3.3
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- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : COL012-1 : TPTP v8.1.0. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n009.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 12:47:59 EDT 2022
% Result : Unsatisfiable 1.74s 1.93s
% Output : Refutation 1.74s
% Verified :
% SZS Type : Refutation
% Derivation depth : 2
% Number of leaves : 2
% Syntax : Number of clauses : 5 ( 5 unt; 0 nHn; 3 RR)
% Number of literals : 5 ( 4 equ; 2 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 4 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 3 ( 3 usr; 2 con; 0-2 aty)
% Number of variables : 6 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
A != apply(combinator,A),
file('COL012-1.p',unknown),
[] ).
cnf(2,plain,
apply(combinator,A) != A,
inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[1])]),
[iquote('copy,1,flip.1')] ).
cnf(4,axiom,
apply(apply(u,A),B) = apply(B,apply(apply(A,A),B)),
file('COL012-1.p',unknown),
[] ).
cnf(5,plain,
apply(A,apply(apply(B,B),A)) = apply(apply(u,B),A),
inference(flip,[status(thm),theory(equality)],[inference(copy,[status(thm)],[4])]),
[iquote('copy,4,flip.1')] ).
cnf(6,plain,
$false,
inference(binary,[status(thm)],[5,2]),
[iquote('binary,5.1,2.1')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.12/0.12 % Problem : COL012-1 : TPTP v8.1.0. Released v1.0.0.
% 0.12/0.13 % Command : otter-tptp-script %s
% 0.14/0.34 % Computer : n009.cluster.edu
% 0.14/0.34 % Model : x86_64 x86_64
% 0.14/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.14/0.34 % Memory : 8042.1875MB
% 0.14/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.14/0.34 % CPULimit : 300
% 0.14/0.34 % WCLimit : 300
% 0.14/0.34 % DateTime : Wed Jul 27 02:20:36 EDT 2022
% 0.14/0.35 % CPUTime :
% 1.74/1.93
% 1.74/1.93 -------- PROOF --------
% 1.74/1.93 ----- Otter 3.3f, August 2004 -----
% 1.74/1.93 The process was started by sandbox on n009.cluster.edu,
% 1.74/1.93 Wed Jul 27 02:20:36 2022
% 1.74/1.93 The command was "./otter". The process ID is 21813.
% 1.74/1.93
% 1.74/1.93 set(prolog_style_variables).
% 1.74/1.93 set(auto).
% 1.74/1.93 dependent: set(auto1).
% 1.74/1.93 dependent: set(process_input).
% 1.74/1.93 dependent: clear(print_kept).
% 1.74/1.93 dependent: clear(print_new_demod).
% 1.74/1.93 dependent: clear(print_back_demod).
% 1.74/1.93 dependent: clear(print_back_sub).
% 1.74/1.93 dependent: set(control_memory).
% 1.74/1.93 dependent: assign(max_mem, 12000).
% 1.74/1.93 dependent: assign(pick_given_ratio, 4).
% 1.74/1.93 dependent: assign(stats_level, 1).
% 1.74/1.93 dependent: assign(max_seconds, 10800).
% 1.74/1.93 clear(print_given).
% 1.74/1.93
% 1.74/1.93 list(usable).
% 1.74/1.93 0 [] A=A.
% 1.74/1.93 0 [] apply(apply(u,X),Y)=apply(Y,apply(apply(X,X),Y)).
% 1.74/1.93 0 [] Y!=apply(combinator,Y).
% 1.74/1.93 end_of_list.
% 1.74/1.93
% 1.74/1.93 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 1.74/1.93
% 1.74/1.93 All clauses are units, and equality is present; the
% 1.74/1.93 strategy will be Knuth-Bendix with positive clauses in sos.
% 1.74/1.93
% 1.74/1.93 dependent: set(knuth_bendix).
% 1.74/1.93 dependent: set(anl_eq).
% 1.74/1.93 dependent: set(para_from).
% 1.74/1.93 dependent: set(para_into).
% 1.74/1.93 dependent: clear(para_from_right).
% 1.74/1.93 dependent: clear(para_into_right).
% 1.74/1.93 dependent: set(para_from_vars).
% 1.74/1.93 dependent: set(eq_units_both_ways).
% 1.74/1.93 dependent: set(dynamic_demod_all).
% 1.74/1.93 dependent: set(dynamic_demod).
% 1.74/1.93 dependent: set(order_eq).
% 1.74/1.93 dependent: set(back_demod).
% 1.74/1.93 dependent: set(lrpo).
% 1.74/1.93
% 1.74/1.93 ------------> process usable:
% 1.74/1.93 ** KEPT (pick-wt=5): 2 [copy,1,flip.1] apply(combinator,A)!=A.
% 1.74/1.93
% 1.74/1.93 ------------> process sos:
% 1.74/1.93 ** KEPT (pick-wt=3): 3 [] A=A.
% 1.74/1.93 ** KEPT (pick-wt=13): 4 [] apply(apply(u,A),B)=apply(B,apply(apply(A,A),B)).
% 1.74/1.93 Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] A=A.
% 1.74/1.93 ** KEPT (pick-wt=13): 5 [copy,4,flip.1] apply(A,apply(apply(B,B),A))=apply(apply(u,B),A).
% 1.74/1.93
% 1.74/1.93 ----> UNIT CONFLICT at 0.00 sec ----> 6 [binary,5.1,2.1] $F.
% 1.74/1.93
% 1.74/1.93 Length of proof is 2. Level of proof is 1.
% 1.74/1.93
% 1.74/1.93 ---------------- PROOF ----------------
% 1.74/1.93 % SZS status Unsatisfiable
% 1.74/1.93 % SZS output start Refutation
% See solution above
% 1.74/1.94 ------------ end of proof -------------
% 1.74/1.94
% 1.74/1.94
% 1.74/1.94 Search stopped by max_proofs option.
% 1.74/1.94
% 1.74/1.94
% 1.74/1.94 Search stopped by max_proofs option.
% 1.74/1.94
% 1.74/1.94 ============ end of search ============
% 1.74/1.94
% 1.74/1.94 -------------- statistics -------------
% 1.74/1.94 clauses given 0
% 1.74/1.94 clauses generated 0
% 1.74/1.94 clauses kept 4
% 1.74/1.94 clauses forward subsumed 1
% 1.74/1.94 clauses back subsumed 0
% 1.74/1.94 Kbytes malloced 976
% 1.74/1.94
% 1.74/1.94 ----------- times (seconds) -----------
% 1.74/1.94 user CPU time 0.00 (0 hr, 0 min, 0 sec)
% 1.74/1.94 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 1.74/1.94 wall-clock time 1 (0 hr, 0 min, 1 sec)
% 1.74/1.94
% 1.74/1.94 That finishes the proof of the theorem.
% 1.74/1.94
% 1.74/1.94 Process 21813 finished Wed Jul 27 02:20:37 2022
% 1.74/1.94 Otter interrupted
% 1.74/1.94 PROOF FOUND
%------------------------------------------------------------------------------