TSTP Solution File: CAT011-4 by Otter---3.3
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%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : CAT011-4 : TPTP v8.1.0. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n019.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 12:47:48 EDT 2022
% Result : Unsatisfiable 1.83s 2.00s
% Output : Refutation 1.83s
% Verified :
% SZS Type : Refutation
% Derivation depth : 4
% Number of leaves : 6
% Syntax : Number of clauses : 12 ( 8 unt; 0 nHn; 10 RR)
% Number of literals : 16 ( 8 equ; 5 neg)
% Maximal clause size : 2 ( 1 avg)
% Maximal term depth : 3 ( 2 avg)
% Number of predicates : 3 ( 1 usr; 1 prp; 0-2 aty)
% Number of functors : 4 ( 4 usr; 1 con; 0-2 aty)
% Number of variables : 7 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(4,axiom,
( ~ there_exists(domain(A))
| there_exists(A) ),
file('CAT011-4.p',unknown),
[] ).
cnf(7,axiom,
( ~ there_exists(compose(A,B))
| domain(A) = codomain(B) ),
file('CAT011-4.p',unknown),
[] ).
cnf(9,axiom,
domain(domain(a)) != domain(a),
file('CAT011-4.p',unknown),
[] ).
cnf(14,axiom,
compose(A,domain(A)) = A,
file('CAT011-4.p',unknown),
[] ).
cnf(16,axiom,
compose(codomain(A),A) = A,
file('CAT011-4.p',unknown),
[] ).
cnf(18,axiom,
there_exists(domain(a)),
file('CAT011-4.p',unknown),
[] ).
cnf(19,plain,
there_exists(a),
inference(hyper,[status(thm)],[18,4]),
[iquote('hyper,18,4')] ).
cnf(45,plain,
( ~ there_exists(A)
| codomain(domain(A)) = domain(A) ),
inference(flip,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[14,7])]),
[iquote('para_from,14.1.1,7.1.1,flip.2')] ).
cnf(61,plain,
( ~ there_exists(A)
| domain(codomain(A)) = codomain(A) ),
inference(para_from,[status(thm),theory(equality)],[16,7]),
[iquote('para_from,16.1.1,7.1.1')] ).
cnf(924,plain,
codomain(domain(a)) = domain(a),
inference(hyper,[status(thm)],[45,19]),
[iquote('hyper,45,19')] ).
cnf(1133,plain,
domain(domain(a)) = domain(a),
inference(demod,[status(thm),theory(equality)],[inference(hyper,[status(thm)],[61,18]),924,924]),
[iquote('hyper,61,18,demod,924,924')] ).
cnf(1135,plain,
$false,
inference(binary,[status(thm)],[1133,9]),
[iquote('binary,1133.1,9.1')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12 % Problem : CAT011-4 : TPTP v8.1.0. Released v1.0.0.
% 0.11/0.12 % Command : otter-tptp-script %s
% 0.12/0.33 % Computer : n019.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 01:56:52 EDT 2022
% 0.12/0.33 % CPUTime :
% 1.83/2.00 ----- Otter 3.3f, August 2004 -----
% 1.83/2.00 The process was started by sandbox2 on n019.cluster.edu,
% 1.83/2.00 Wed Jul 27 01:56:52 2022
% 1.83/2.00 The command was "./otter". The process ID is 27892.
% 1.83/2.00
% 1.83/2.00 set(prolog_style_variables).
% 1.83/2.00 set(auto).
% 1.83/2.00 dependent: set(auto1).
% 1.83/2.00 dependent: set(process_input).
% 1.83/2.00 dependent: clear(print_kept).
% 1.83/2.00 dependent: clear(print_new_demod).
% 1.83/2.00 dependent: clear(print_back_demod).
% 1.83/2.00 dependent: clear(print_back_sub).
% 1.83/2.00 dependent: set(control_memory).
% 1.83/2.00 dependent: assign(max_mem, 12000).
% 1.83/2.00 dependent: assign(pick_given_ratio, 4).
% 1.83/2.00 dependent: assign(stats_level, 1).
% 1.83/2.00 dependent: assign(max_seconds, 10800).
% 1.83/2.00 clear(print_given).
% 1.83/2.00
% 1.83/2.00 list(usable).
% 1.83/2.00 0 [] A=A.
% 1.83/2.00 0 [] -e_quivalent(X,Y)|there_exists(X).
% 1.83/2.00 0 [] -e_quivalent(X,Y)|X=Y.
% 1.83/2.00 0 [] -there_exists(X)|X!=Y|e_quivalent(X,Y).
% 1.83/2.00 0 [] -there_exists(domain(X))|there_exists(X).
% 1.83/2.00 0 [] -there_exists(codomain(X))|there_exists(X).
% 1.83/2.00 0 [] -there_exists(compose(X,Y))|there_exists(domain(X)).
% 1.83/2.00 0 [] -there_exists(compose(X,Y))|domain(X)=codomain(Y).
% 1.83/2.00 0 [] -there_exists(domain(X))|domain(X)!=codomain(Y)|there_exists(compose(X,Y)).
% 1.83/2.00 0 [] compose(X,compose(Y,Z))=compose(compose(X,Y),Z).
% 1.83/2.00 0 [] compose(X,domain(X))=X.
% 1.83/2.00 0 [] compose(codomain(X),X)=X.
% 1.83/2.00 0 [] there_exists(domain(a)).
% 1.83/2.00 0 [] domain(domain(a))!=domain(a).
% 1.83/2.00 end_of_list.
% 1.83/2.00
% 1.83/2.00 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=3.
% 1.83/2.00
% 1.83/2.00 This is a Horn set with equality. The strategy will be
% 1.83/2.00 Knuth-Bendix and hyper_res, with positive clauses in
% 1.83/2.00 sos and nonpositive clauses in usable.
% 1.83/2.00
% 1.83/2.00 dependent: set(knuth_bendix).
% 1.83/2.00 dependent: set(anl_eq).
% 1.83/2.00 dependent: set(para_from).
% 1.83/2.00 dependent: set(para_into).
% 1.83/2.00 dependent: clear(para_from_right).
% 1.83/2.00 dependent: clear(para_into_right).
% 1.83/2.00 dependent: set(para_from_vars).
% 1.83/2.00 dependent: set(eq_units_both_ways).
% 1.83/2.00 dependent: set(dynamic_demod_all).
% 1.83/2.00 dependent: set(dynamic_demod).
% 1.83/2.00 dependent: set(order_eq).
% 1.83/2.00 dependent: set(back_demod).
% 1.83/2.00 dependent: set(lrpo).
% 1.83/2.00 dependent: set(hyper_res).
% 1.83/2.00 dependent: clear(order_hyper).
% 1.83/2.00
% 1.83/2.00 ------------> process usable:
% 1.83/2.00 ** KEPT (pick-wt=5): 1 [] -e_quivalent(A,B)|there_exists(A).
% 1.83/2.00 ** KEPT (pick-wt=6): 2 [] -e_quivalent(A,B)|A=B.
% 1.83/2.00 ** KEPT (pick-wt=8): 3 [] -there_exists(A)|A!=B|e_quivalent(A,B).
% 1.83/2.00 ** KEPT (pick-wt=5): 4 [] -there_exists(domain(A))|there_exists(A).
% 1.83/2.00 ** KEPT (pick-wt=5): 5 [] -there_exists(codomain(A))|there_exists(A).
% 1.83/2.00 ** KEPT (pick-wt=7): 6 [] -there_exists(compose(A,B))|there_exists(domain(A)).
% 1.83/2.00 ** KEPT (pick-wt=9): 7 [] -there_exists(compose(A,B))|domain(A)=codomain(B).
% 1.83/2.00 ** KEPT (pick-wt=12): 8 [] -there_exists(domain(A))|domain(A)!=codomain(B)|there_exists(compose(A,B)).
% 1.83/2.00 ** KEPT (pick-wt=6): 9 [] domain(domain(a))!=domain(a).
% 1.83/2.00
% 1.83/2.00 ------------> process sos:
% 1.83/2.00 ** KEPT (pick-wt=3): 10 [] A=A.
% 1.83/2.00 ** KEPT (pick-wt=11): 12 [copy,11,flip.1] compose(compose(A,B),C)=compose(A,compose(B,C)).
% 1.83/2.00 ---> New Demodulator: 13 [new_demod,12] compose(compose(A,B),C)=compose(A,compose(B,C)).
% 1.83/2.00 ** KEPT (pick-wt=6): 14 [] compose(A,domain(A))=A.
% 1.83/2.00 ---> New Demodulator: 15 [new_demod,14] compose(A,domain(A))=A.
% 1.83/2.00 ** KEPT (pick-wt=6): 16 [] compose(codomain(A),A)=A.
% 1.83/2.00 ---> New Demodulator: 17 [new_demod,16] compose(codomain(A),A)=A.
% 1.83/2.00 ** KEPT (pick-wt=3): 18 [] there_exists(domain(a)).
% 1.83/2.00 Following clause subsumed by 10 during input processing: 0 [copy,10,flip.1] A=A.
% 1.83/2.00 >>>> Starting back demodulation with 13.
% 1.83/2.00 >>>> Starting back demodulation with 15.
% 1.83/2.00 >>>> Starting back demodulation with 17.
% 1.83/2.00
% 1.83/2.00 ======= end of input processing =======
% 1.83/2.00
% 1.83/2.00 =========== start of search ===========
% 1.83/2.00
% 1.83/2.00 -------- PROOF --------
% 1.83/2.00
% 1.83/2.00 ----> UNIT CONFLICT at 0.07 sec ----> 1135 [binary,1133.1,9.1] $F.
% 1.83/2.00
% 1.83/2.00 Length of proof is 5. Level of proof is 3.
% 1.83/2.00
% 1.83/2.00 ---------------- PROOF ----------------
% 1.83/2.00 % SZS status Unsatisfiable
% 1.83/2.00 % SZS output start Refutation
% See solution above
% 1.83/2.00 ------------ end of proof -------------
% 1.83/2.00
% 1.83/2.00
% 1.83/2.00 Search stopped by max_proofs option.
% 1.83/2.00
% 1.83/2.00
% 1.83/2.00 Search stopped by max_proofs option.
% 1.83/2.00
% 1.83/2.00 ============ end of search ============
% 1.83/2.00
% 1.83/2.00 -------------- statistics -------------
% 1.83/2.00 clauses given 105
% 1.83/2.00 clauses generated 1531
% 1.83/2.00 clauses kept 1064
% 1.83/2.00 clauses forward subsumed 624
% 1.83/2.00 clauses back subsumed 11
% 1.83/2.00 Kbytes malloced 3906
% 1.83/2.00
% 1.83/2.00 ----------- times (seconds) -----------
% 1.83/2.00 user CPU time 0.07 (0 hr, 0 min, 0 sec)
% 1.83/2.00 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 1.83/2.00 wall-clock time 1 (0 hr, 0 min, 1 sec)
% 1.83/2.00
% 1.83/2.00 That finishes the proof of the theorem.
% 1.83/2.00
% 1.83/2.00 Process 27892 finished Wed Jul 27 01:56:53 2022
% 1.83/2.00 Otter interrupted
% 1.83/2.00 PROOF FOUND
%------------------------------------------------------------------------------