TSTP Solution File: GRP700-10 by Otter---3.3
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%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : GRP700-10 : TPTP v8.1.0. Released v8.1.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n015.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 12:57:40 EDT 2022
% Result : Unsatisfiable 1.97s 2.14s
% Output : Refutation 1.97s
% Verified :
% SZS Type : Refutation
% Derivation depth : 7
% Number of leaves : 7
% Syntax : Number of clauses : 16 ( 16 unt; 0 nHn; 4 RR)
% Number of literals : 16 ( 15 equ; 3 neg)
% Maximal clause size : 1 ( 1 avg)
% Maximal term depth : 5 ( 2 avg)
% Number of predicates : 2 ( 0 usr; 1 prp; 0-2 aty)
% Number of functors : 5 ( 5 usr; 2 con; 0-2 aty)
% Number of variables : 21 ( 0 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(1,axiom,
tuple(mult(A,x0),mult(x0,A)) != tuple(unit,unit),
file('GRP700-10.p',unknown),
[] ).
cnf(2,axiom,
A = A,
file('GRP700-10.p',unknown),
[] ).
cnf(7,axiom,
mult(rd(A,B),B) = A,
file('GRP700-10.p',unknown),
[] ).
cnf(10,axiom,
rd(mult(A,B),B) = A,
file('GRP700-10.p',unknown),
[] ).
cnf(12,axiom,
mult(A,unit) = A,
file('GRP700-10.p',unknown),
[] ).
cnf(13,axiom,
mult(unit,A) = A,
file('GRP700-10.p',unknown),
[] ).
cnf(15,axiom,
mult(mult(mult(A,B),A),mult(A,C)) = mult(A,mult(mult(mult(B,A),A),C)),
file('GRP700-10.p',unknown),
[] ).
cnf(30,plain,
tuple(A,mult(x0,rd(A,x0))) != tuple(unit,unit),
inference(para_from,[status(thm),theory(equality)],[7,1]),
[iquote('para_from,7.1.1,1.1.1.1')] ).
cnf(33,plain,
rd(A,A) = unit,
inference(para_into,[status(thm),theory(equality)],[10,13]),
[iquote('para_into,9.1.1.1,13.1.1')] ).
cnf(46,plain,
mult(mult(mult(A,B),A),A) = mult(A,mult(mult(B,A),A)),
inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[15,12]),12]),
[iquote('para_into,15.1.1.2,11.1.1,demod,12')] ).
cnf(171,plain,
rd(mult(A,mult(mult(B,A),A)),A) = mult(mult(A,B),A),
inference(para_from,[status(thm),theory(equality)],[46,10]),
[iquote('para_from,46.1.1,9.1.1.1')] ).
cnf(271,plain,
rd(mult(A,mult(B,A)),A) = mult(mult(A,rd(B,A)),A),
inference(para_into,[status(thm),theory(equality)],[171,7]),
[iquote('para_into,171.1.1.1.2.1,7.1.1')] ).
cnf(307,plain,
mult(mult(A,rd(unit,A)),A) = A,
inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_into,[status(thm),theory(equality)],[271,13]),10])]),
[iquote('para_into,271.1.1.1.2,13.1.1,demod,10,flip.1')] ).
cnf(318,plain,
mult(A,rd(unit,A)) = unit,
inference(flip,[status(thm),theory(equality)],[inference(demod,[status(thm),theory(equality)],[inference(para_from,[status(thm),theory(equality)],[307,10]),33])]),
[iquote('para_from,307.1.1,9.1.1.1,demod,33,flip.1')] ).
cnf(324,plain,
tuple(unit,unit) != tuple(unit,unit),
inference(para_from,[status(thm),theory(equality)],[318,30]),
[iquote('para_from,318.1.1,30.1.1.2')] ).
cnf(325,plain,
$false,
inference(binary,[status(thm)],[324,2]),
[iquote('binary,324.1,2.1')] ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.11 % Problem : GRP700-10 : TPTP v8.1.0. Released v8.1.0.
% 0.11/0.12 % Command : otter-tptp-script %s
% 0.12/0.33 % Computer : n015.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 05:31:56 EDT 2022
% 0.12/0.33 % CPUTime :
% 1.97/2.14 ----- Otter 3.3f, August 2004 -----
% 1.97/2.14 The process was started by sandbox on n015.cluster.edu,
% 1.97/2.14 Wed Jul 27 05:31:56 2022
% 1.97/2.14 The command was "./otter". The process ID is 9032.
% 1.97/2.14
% 1.97/2.14 set(prolog_style_variables).
% 1.97/2.14 set(auto).
% 1.97/2.14 dependent: set(auto1).
% 1.97/2.14 dependent: set(process_input).
% 1.97/2.14 dependent: clear(print_kept).
% 1.97/2.14 dependent: clear(print_new_demod).
% 1.97/2.14 dependent: clear(print_back_demod).
% 1.97/2.14 dependent: clear(print_back_sub).
% 1.97/2.14 dependent: set(control_memory).
% 1.97/2.14 dependent: assign(max_mem, 12000).
% 1.97/2.14 dependent: assign(pick_given_ratio, 4).
% 1.97/2.14 dependent: assign(stats_level, 1).
% 1.97/2.14 dependent: assign(max_seconds, 10800).
% 1.97/2.14 clear(print_given).
% 1.97/2.14
% 1.97/2.14 list(usable).
% 1.97/2.14 0 [] A=A.
% 1.97/2.14 0 [] mult(A,ld(A,B))=B.
% 1.97/2.14 0 [] ld(A,mult(A,B))=B.
% 1.97/2.14 0 [] mult(rd(A,B),B)=A.
% 1.97/2.14 0 [] rd(mult(A,B),B)=A.
% 1.97/2.14 0 [] mult(A,unit)=A.
% 1.97/2.14 0 [] mult(unit,A)=A.
% 1.97/2.14 0 [] mult(mult(mult(A,B),A),mult(A,C))=mult(A,mult(mult(mult(B,A),A),C)).
% 1.97/2.14 0 [] mult(mult(A,B),mult(B,mult(C,B)))=mult(mult(A,mult(B,mult(B,C))),B).
% 1.97/2.14 0 [] tuple(mult(X1,x0),mult(x0,X1))!=tuple(unit,unit).
% 1.97/2.14 end_of_list.
% 1.97/2.14
% 1.97/2.14 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 1.97/2.14
% 1.97/2.14 All clauses are units, and equality is present; the
% 1.97/2.14 strategy will be Knuth-Bendix with positive clauses in sos.
% 1.97/2.14
% 1.97/2.14 dependent: set(knuth_bendix).
% 1.97/2.14 dependent: set(anl_eq).
% 1.97/2.14 dependent: set(para_from).
% 1.97/2.14 dependent: set(para_into).
% 1.97/2.14 dependent: clear(para_from_right).
% 1.97/2.14 dependent: clear(para_into_right).
% 1.97/2.14 dependent: set(para_from_vars).
% 1.97/2.14 dependent: set(eq_units_both_ways).
% 1.97/2.14 dependent: set(dynamic_demod_all).
% 1.97/2.14 dependent: set(dynamic_demod).
% 1.97/2.14 dependent: set(order_eq).
% 1.97/2.14 dependent: set(back_demod).
% 1.97/2.14 dependent: set(lrpo).
% 1.97/2.14
% 1.97/2.14 ------------> process usable:
% 1.97/2.14 ** KEPT (pick-wt=11): 1 [] tuple(mult(A,x0),mult(x0,A))!=tuple(unit,unit).
% 1.97/2.14
% 1.97/2.14 ------------> process sos:
% 1.97/2.14 ** KEPT (pick-wt=3): 2 [] A=A.
% 1.97/2.14 ** KEPT (pick-wt=7): 3 [] mult(A,ld(A,B))=B.
% 1.97/2.14 ---> New Demodulator: 4 [new_demod,3] mult(A,ld(A,B))=B.
% 1.97/2.14 ** KEPT (pick-wt=7): 5 [] ld(A,mult(A,B))=B.
% 1.97/2.14 ---> New Demodulator: 6 [new_demod,5] ld(A,mult(A,B))=B.
% 1.97/2.14 ** KEPT (pick-wt=7): 7 [] mult(rd(A,B),B)=A.
% 1.97/2.14 ---> New Demodulator: 8 [new_demod,7] mult(rd(A,B),B)=A.
% 1.97/2.14 ** KEPT (pick-wt=7): 9 [] rd(mult(A,B),B)=A.
% 1.97/2.14 ---> New Demodulator: 10 [new_demod,9] rd(mult(A,B),B)=A.
% 1.97/2.14 ** KEPT (pick-wt=5): 11 [] mult(A,unit)=A.
% 1.97/2.14 ---> New Demodulator: 12 [new_demod,11] mult(A,unit)=A.
% 1.97/2.14 ** KEPT (pick-wt=5): 13 [] mult(unit,A)=A.
% 1.97/2.14 ---> New Demodulator: 14 [new_demod,13] mult(unit,A)=A.
% 1.97/2.14 ** KEPT (pick-wt=19): 15 [] mult(mult(mult(A,B),A),mult(A,C))=mult(A,mult(mult(mult(B,A),A),C)).
% 1.97/2.14 ** KEPT (pick-wt=19): 17 [copy,16,flip.1] mult(mult(A,mult(B,mult(B,C))),B)=mult(mult(A,B),mult(B,mult(C,B))).
% 1.97/2.14 ---> New Demodulator: 18 [new_demod,17] mult(mult(A,mult(B,mult(B,C))),B)=mult(mult(A,B),mult(B,mult(C,B))).
% 1.97/2.14 Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 1.97/2.14 >>>> Starting back demodulation with 4.
% 1.97/2.14 >>>> Starting back demodulation with 6.
% 1.97/2.14 >>>> Starting back demodulation with 8.
% 1.97/2.14 >>>> Starting back demodulation with 10.
% 1.97/2.14 >>>> Starting back demodulation with 12.
% 1.97/2.14 >>>> Starting back demodulation with 14.
% 1.97/2.14 ** KEPT (pick-wt=19): 19 [copy,15,flip.1] mult(A,mult(mult(mult(B,A),A),C))=mult(mult(mult(A,B),A),mult(A,C)).
% 1.97/2.14 >>>> Starting back demodulation with 18.
% 1.97/2.14 Following clause subsumed by 15 during input processing: 0 [copy,19,flip.1] mult(mult(mult(A,B),A),mult(A,C))=mult(A,mult(mult(mult(B,A),A),C)).
% 1.97/2.14
% 1.97/2.14 ======= end of input processing =======
% 1.97/2.14
% 1.97/2.14 =========== start of search ===========
% 1.97/2.14
% 1.97/2.14
% 1.97/2.14 Resetting weight limit to 19.
% 1.97/2.14
% 1.97/2.14
% 1.97/2.14 Resetting weight limit to 19.
% 1.97/2.14
% 1.97/2.14 sos_size=132
% 1.97/2.14
% 1.97/2.14 -------- PROOF --------
% 1.97/2.14
% 1.97/2.14 ----> UNIT CONFLICT at 0.04 sec ----> 325 [binary,324.1,2.1] $F.
% 1.97/2.14
% 1.97/2.14 Length of proof is 8. Level of proof is 6.
% 1.97/2.14
% 1.97/2.14 ---------------- PROOF ----------------
% 1.97/2.14 % SZS status Unsatisfiable
% 1.97/2.14 % SZS output start Refutation
% See solution above
% 1.97/2.14 ------------ end of proof -------------
% 1.97/2.14
% 1.97/2.14
% 1.97/2.14 Search stopped by max_proofs option.
% 1.97/2.14
% 1.97/2.14
% 1.97/2.14 Search stopped by max_proofs option.
% 1.97/2.14
% 1.97/2.14 ============ end of search ============
% 1.97/2.14
% 1.97/2.14 -------------- statistics -------------
% 1.97/2.14 clauses given 44
% 1.97/2.14 clauses generated 832
% 1.97/2.14 clauses kept 210
% 1.97/2.14 clauses forward subsumed 396
% 1.97/2.14 clauses back subsumed 0
% 1.97/2.14 Kbytes malloced 4882
% 1.97/2.14
% 1.97/2.14 ----------- times (seconds) -----------
% 1.97/2.14 user CPU time 0.04 (0 hr, 0 min, 0 sec)
% 1.97/2.14 system CPU time 0.00 (0 hr, 0 min, 0 sec)
% 1.97/2.14 wall-clock time 2 (0 hr, 0 min, 2 sec)
% 1.97/2.14
% 1.97/2.14 That finishes the proof of the theorem.
% 1.97/2.14
% 1.97/2.14 Process 9032 finished Wed Jul 27 05:31:58 2022
% 1.97/2.14 Otter interrupted
% 1.97/2.14 PROOF FOUND
%------------------------------------------------------------------------------