TSTP Solution File: SYN578-1 by Otter---3.3
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%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : SYN578-1 : TPTP v8.1.0. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n025.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 13:24:56 EDT 2022
% Result : Unsatisfiable 1.90s 2.11s
% Output : Refutation 1.90s
% Verified :
% SZS Type : Refutation
% Derivation depth : 5
% Number of leaves : 10
% Syntax : Number of clauses : 18 ( 11 unt; 1 nHn; 16 RR)
% Number of literals : 33 ( 0 equ; 16 neg)
% Maximal clause size : 4 ( 1 avg)
% Maximal term depth : 3 ( 1 avg)
% Number of predicates : 6 ( 5 usr; 1 prp; 0-2 aty)
% Number of functors : 8 ( 8 usr; 5 con; 0-2 aty)
% Number of variables : 15 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(2,axiom,
( p9(A,f4(c16))
| ~ p9(A,c13) ),
file('SYN578-1.p',unknown),
[] ).
cnf(5,axiom,
( p3(f4(A),f4(B))
| ~ p2(A,B) ),
file('SYN578-1.p',unknown),
[] ).
cnf(11,axiom,
( p9(A,B)
| ~ p7(C,A)
| ~ p9(C,D)
| ~ p3(D,B) ),
file('SYN578-1.p',unknown),
[] ).
cnf(13,axiom,
( p9(f8(A,B),A)
| p9(f8(A,B),f4(B))
| ~ p11(B,c15)
| ~ p9(c12,A) ),
file('SYN578-1.p',unknown),
[] ).
cnf(14,axiom,
( ~ p11(A,c15)
| ~ p9(c12,B)
| ~ p9(f8(B,A),B)
| ~ p9(f8(B,A),f4(A)) ),
file('SYN578-1.p',unknown),
[] ).
cnf(19,plain,
( p9(f8(f4(A),A),f4(A))
| ~ p11(A,c15)
| ~ p9(c12,f4(A)) ),
inference(factor,[status(thm)],[13]),
[iquote('factor,13.1.2')] ).
cnf(20,plain,
( ~ p11(A,c15)
| ~ p9(c12,f4(A))
| ~ p9(f8(f4(A),A),f4(A)) ),
inference(factor,[status(thm)],[14]),
[iquote('factor,14.3.4')] ).
cnf(22,axiom,
p7(A,A),
file('SYN578-1.p',unknown),
[] ).
cnf(25,axiom,
p9(c12,c13),
file('SYN578-1.p',unknown),
[] ).
cnf(26,axiom,
p11(c14,c15),
file('SYN578-1.p',unknown),
[] ).
cnf(27,axiom,
p2(c16,f5(c14)),
file('SYN578-1.p',unknown),
[] ).
cnf(28,axiom,
p3(f4(f5(A)),f4(A)),
file('SYN578-1.p',unknown),
[] ).
cnf(30,plain,
p9(c12,f4(c16)),
inference(hyper,[status(thm)],[25,2]),
[iquote('hyper,25,2')] ).
cnf(34,plain,
p3(f4(c16),f4(f5(c14))),
inference(hyper,[status(thm)],[27,5]),
[iquote('hyper,27,5')] ).
cnf(53,plain,
p9(c12,f4(f5(c14))),
inference(hyper,[status(thm)],[34,11,22,30]),
[iquote('hyper,34,11,22,30')] ).
cnf(55,plain,
p9(c12,f4(c14)),
inference(hyper,[status(thm)],[53,11,22,28]),
[iquote('hyper,53,11,22,28')] ).
cnf(56,plain,
p9(f8(f4(c14),c14),f4(c14)),
inference(hyper,[status(thm)],[55,19,26]),
[iquote('hyper,55,19,26')] ).
cnf(174,plain,
$false,
inference(hyper,[status(thm)],[56,20,26,55]),
[iquote('hyper,56,20,26,55')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.11 % Problem : SYN578-1 : TPTP v8.1.0. Released v2.5.0.
% 0.07/0.12 % Command : otter-tptp-script %s
% 0.13/0.33 % Computer : n025.cluster.edu
% 0.13/0.33 % Model : x86_64 x86_64
% 0.13/0.33 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33 % Memory : 8042.1875MB
% 0.13/0.33 % OS : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33 % CPULimit : 300
% 0.13/0.33 % WCLimit : 300
% 0.13/0.33 % DateTime : Wed Jul 27 11:25:30 EDT 2022
% 0.13/0.33 % CPUTime :
% 1.90/2.11 ----- Otter 3.3f, August 2004 -----
% 1.90/2.11 The process was started by sandbox2 on n025.cluster.edu,
% 1.90/2.11 Wed Jul 27 11:25:30 2022
% 1.90/2.11 The command was "./otter". The process ID is 1148.
% 1.90/2.11
% 1.90/2.11 set(prolog_style_variables).
% 1.90/2.11 set(auto).
% 1.90/2.11 dependent: set(auto1).
% 1.90/2.11 dependent: set(process_input).
% 1.90/2.11 dependent: clear(print_kept).
% 1.90/2.11 dependent: clear(print_new_demod).
% 1.90/2.11 dependent: clear(print_back_demod).
% 1.90/2.11 dependent: clear(print_back_sub).
% 1.90/2.11 dependent: set(control_memory).
% 1.90/2.11 dependent: assign(max_mem, 12000).
% 1.90/2.11 dependent: assign(pick_given_ratio, 4).
% 1.90/2.11 dependent: assign(stats_level, 1).
% 1.90/2.11 dependent: assign(max_seconds, 10800).
% 1.90/2.11 clear(print_given).
% 1.90/2.11
% 1.90/2.11 list(usable).
% 1.90/2.11 0 [] p10(X0,X0).
% 1.90/2.11 0 [] p7(X21,X21).
% 1.90/2.11 0 [] p3(X12,X12).
% 1.90/2.11 0 [] p2(X7,X7).
% 1.90/2.11 0 [] p9(c12,c13).
% 1.90/2.11 0 [] p11(c14,c15).
% 1.90/2.11 0 [] p2(c16,f5(c14)).
% 1.90/2.11 0 [] p3(f4(f5(X17)),f4(X17)).
% 1.90/2.11 0 [] p3(f6(f5(X20)),f6(X20)).
% 1.90/2.11 0 [] p9(X32,c13)| -p9(X32,f4(c16)).
% 1.90/2.11 0 [] p9(X32,f4(c16))| -p9(X32,c13).
% 1.90/2.11 0 [] p2(f5(X10),f5(X11))| -p2(X10,X11).
% 1.90/2.11 0 [] p3(f6(X18),f6(X19))| -p2(X18,X19).
% 1.90/2.11 0 [] p3(f4(X15),f4(X16))| -p2(X15,X16).
% 1.90/2.11 0 [] p10(X1,X2)| -p10(X0,X1)| -p10(X0,X2).
% 1.90/2.11 0 [] p7(X22,X23)| -p7(X21,X22)| -p7(X21,X23).
% 1.90/2.11 0 [] p3(X13,X14)| -p3(X12,X13)| -p3(X12,X14).
% 1.90/2.11 0 [] p2(X8,X9)| -p2(X7,X8)| -p2(X7,X9).
% 1.90/2.11 0 [] p11(X3,X4)| -p11(X6,X5)| -p2(X6,X3)| -p10(X5,X4).
% 1.90/2.11 0 [] p9(X28,X29)| -p7(X31,X28)| -p9(X31,X30)| -p3(X30,X29).
% 1.90/2.11 0 [] p7(f8(X24,X25),f8(X26,X27))| -p2(X25,X27)| -p3(X24,X26).
% 1.90/2.11 0 [] p9(f8(X33,X34),X33)|p9(f8(X33,X34),f4(X34))| -p11(X34,c15)| -p9(c12,X33).
% 1.90/2.11 0 [] -p11(X34,c15)| -p9(c12,X33)| -p9(f8(X33,X34),X33)| -p9(f8(X33,X34),f4(X34)).
% 1.90/2.11 end_of_list.
% 1.90/2.11
% 1.90/2.11 SCAN INPUT: prop=0, horn=0, equality=0, symmetry=0, max_lits=4.
% 1.90/2.11
% 1.90/2.11 This is a non-Horn set without equality. The strategy will
% 1.90/2.11 be ordered hyper_res, unit deletion, and factoring, with
% 1.90/2.11 satellites in sos and with nuclei in usable.
% 1.90/2.11
% 1.90/2.11 dependent: set(hyper_res).
% 1.90/2.11 dependent: set(factor).
% 1.90/2.11 dependent: set(unit_deletion).
% 1.90/2.11
% 1.90/2.11 ------------> process usable:
% 1.90/2.11 ** KEPT (pick-wt=7): 1 [] p9(A,c13)| -p9(A,f4(c16)).
% 1.90/2.11 ** KEPT (pick-wt=7): 2 [] p9(A,f4(c16))| -p9(A,c13).
% 1.90/2.11 ** KEPT (pick-wt=8): 3 [] p2(f5(A),f5(B))| -p2(A,B).
% 1.90/2.11 ** KEPT (pick-wt=8): 4 [] p3(f6(A),f6(B))| -p2(A,B).
% 1.90/2.11 ** KEPT (pick-wt=8): 5 [] p3(f4(A),f4(B))| -p2(A,B).
% 1.90/2.11 ** KEPT (pick-wt=9): 6 [] p10(A,B)| -p10(C,A)| -p10(C,B).
% 1.90/2.11 ** KEPT (pick-wt=9): 7 [] p7(A,B)| -p7(C,A)| -p7(C,B).
% 1.90/2.11 ** KEPT (pick-wt=9): 8 [] p3(A,B)| -p3(C,A)| -p3(C,B).
% 1.90/2.11 ** KEPT (pick-wt=9): 9 [] p2(A,B)| -p2(C,A)| -p2(C,B).
% 1.90/2.11 ** KEPT (pick-wt=12): 10 [] p11(A,B)| -p11(C,D)| -p2(C,A)| -p10(D,B).
% 1.90/2.11 ** KEPT (pick-wt=12): 11 [] p9(A,B)| -p7(C,A)| -p9(C,D)| -p3(D,B).
% 1.90/2.11 ** KEPT (pick-wt=13): 12 [] p7(f8(A,B),f8(C,D))| -p2(B,D)| -p3(A,C).
% 1.90/2.11 ** KEPT (pick-wt=17): 13 [] p9(f8(A,B),A)|p9(f8(A,B),f4(B))| -p11(B,c15)| -p9(c12,A).
% 1.90/2.11 ** KEPT (pick-wt=17): 14 [] -p11(A,c15)| -p9(c12,B)| -p9(f8(B,A),B)| -p9(f8(B,A),f4(A)).
% 1.90/2.11
% 1.90/2.11 ------------> process sos:
% 1.90/2.11 ** KEPT (pick-wt=3): 21 [] p10(A,A).
% 1.90/2.11 ** KEPT (pick-wt=3): 22 [] p7(A,A).
% 1.90/2.11 ** KEPT (pick-wt=3): 23 [] p3(A,A).
% 1.90/2.11 ** KEPT (pick-wt=3): 24 [] p2(A,A).
% 1.90/2.11 ** KEPT (pick-wt=3): 25 [] p9(c12,c13).
% 1.90/2.11 ** KEPT (pick-wt=3): 26 [] p11(c14,c15).
% 1.90/2.11 ** KEPT (pick-wt=4): 27 [] p2(c16,f5(c14)).
% 1.90/2.11 ** KEPT (pick-wt=6): 28 [] p3(f4(f5(A)),f4(A)).
% 1.90/2.11 ** KEPT (pick-wt=6): 29 [] p3(f6(f5(A)),f6(A)).
% 1.90/2.11 21 back subsumes 15.
% 1.90/2.11 22 back subsumes 16.
% 1.90/2.11 23 back subsumes 17.
% 1.90/2.11 24 back subsumes 18.
% 1.90/2.11
% 1.90/2.11 ======= end of input processing =======
% 1.90/2.11
% 1.90/2.11 =========== start of search ===========
% 1.90/2.11
% 1.90/2.11 -------- PROOF --------
% 1.90/2.11
% 1.90/2.11 -----> EMPTY CLAUSE at 0.01 sec ----> 174 [hyper,56,20,26,55] $F.
% 1.90/2.11
% 1.90/2.11 Length of proof is 7. Level of proof is 4.
% 1.90/2.11
% 1.90/2.11 ---------------- PROOF ----------------
% 1.90/2.11 % SZS status Unsatisfiable
% 1.90/2.11 % SZS output start Refutation
% See solution above
% 1.90/2.11 ------------ end of proof -------------
% 1.90/2.11
% 1.90/2.11
% 1.90/2.11 Search stopped by max_proofs option.
% 1.90/2.11
% 1.90/2.11
% 1.90/2.11 Search stopped by max_proofs option.
% 1.90/2.11
% 1.90/2.11 ============ end of search ============
% 1.90/2.11
% 1.90/2.11 -------------- statistics -------------
% 1.90/2.11 clauses given 38
% 1.90/2.11 clauses generated 303
% 1.90/2.11 clauses kept 173
% 1.90/2.11 clauses forward subsumed 152
% 1.90/2.11 clauses back subsumed 5
% 1.90/2.11 Kbytes malloced 976
% 1.90/2.11
% 1.90/2.11 ----------- times (seconds) -----------
% 1.90/2.11 user CPU time 0.01 (0 hr, 0 min, 0 sec)
% 1.90/2.11 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 1.90/2.11 wall-clock time 2 (0 hr, 0 min, 2 sec)
% 1.90/2.11
% 1.90/2.11 That finishes the proof of the theorem.
% 1.90/2.11
% 1.90/2.11 Process 1148 finished Wed Jul 27 11:25:32 2022
% 1.90/2.11 Otter interrupted
% 1.90/2.11 PROOF FOUND
%------------------------------------------------------------------------------