TSTP Solution File: ALG213+1 by Otter---3.3
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : ALG213+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n020.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 12:46:19 EDT 2022
% Result : Unknown 191.31s 191.49s
% Output : None
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.12 % Problem : ALG213+1 : TPTP v8.1.0. Released v3.2.0.
% 0.04/0.13 % Command : otter-tptp-script %s
% 0.12/0.34 % Computer : n020.cluster.edu
% 0.12/0.34 % Model : x86_64 x86_64
% 0.12/0.34 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.34 % Memory : 8042.1875MB
% 0.12/0.34 % OS : Linux 3.10.0-693.el7.x86_64
% 0.12/0.34 % CPULimit : 300
% 0.12/0.34 % WCLimit : 300
% 0.12/0.34 % DateTime : Wed Jul 27 03:56:23 EDT 2022
% 0.12/0.34 % CPUTime :
% 191.31/191.49 ----- Otter 3.3f, August 2004 -----
% 191.31/191.49 The process was started by sandbox on n020.cluster.edu,
% 191.31/191.49 Wed Jul 27 03:56:23 2022
% 191.31/191.49 The command was "./otter". The process ID is 24394.
% 191.31/191.49
% 191.31/191.49 set(prolog_style_variables).
% 191.31/191.49 set(auto).
% 191.31/191.49 dependent: set(auto1).
% 191.31/191.49 dependent: set(process_input).
% 191.31/191.49 dependent: clear(print_kept).
% 191.31/191.49 dependent: clear(print_new_demod).
% 191.31/191.49 dependent: clear(print_back_demod).
% 191.31/191.49 dependent: clear(print_back_sub).
% 191.31/191.49 dependent: set(control_memory).
% 191.31/191.49 dependent: assign(max_mem, 12000).
% 191.31/191.49 dependent: assign(pick_given_ratio, 4).
% 191.31/191.49 dependent: assign(stats_level, 1).
% 191.31/191.49 dependent: assign(max_seconds, 10800).
% 191.31/191.49 clear(print_given).
% 191.31/191.49
% 191.31/191.49 formula_list(usable).
% 191.31/191.49 all A (A=A).
% 191.31/191.49 all X Y (f(X,X,Y)=X).
% 191.31/191.49 all X Y Z (f(X,Y,Z)=f(Z,X,Y)).
% 191.31/191.49 all X Y Z (f(X,Y,Z)=f(X,Z,Y)).
% 191.31/191.49 all W X Y Z (f(f(X,W,Y),W,Z)=f(X,W,f(Y,W,Z))).
% 191.31/191.49 -(all U W X Y Z (f(f(X,Y,Z),U,W)=f(X,f(Y,U,W),f(Z,U,W)))).
% 191.31/191.49 end_of_list.
% 191.31/191.49
% 191.31/191.49 -------> usable clausifies to:
% 191.31/191.49
% 191.31/191.49 list(usable).
% 191.31/191.49 0 [] A=A.
% 191.31/191.49 0 [] f(X,X,Y)=X.
% 191.31/191.49 0 [] f(X,Y,Z)=f(Z,X,Y).
% 191.31/191.49 0 [] f(X,Y,Z)=f(X,Z,Y).
% 191.31/191.49 0 [] f(f(X,W,Y),W,Z)=f(X,W,f(Y,W,Z)).
% 191.31/191.49 0 [] f(f($c3,$c2,$c1),$c5,$c4)!=f($c3,f($c2,$c5,$c4),f($c1,$c5,$c4)).
% 191.31/191.49 end_of_list.
% 191.31/191.49
% 191.31/191.49 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 191.31/191.49
% 191.31/191.49 All clauses are units, and equality is present; the
% 191.31/191.49 strategy will be Knuth-Bendix with positive clauses in sos.
% 191.31/191.49
% 191.31/191.49 dependent: set(knuth_bendix).
% 191.31/191.49 dependent: set(anl_eq).
% 191.31/191.49 dependent: set(para_from).
% 191.31/191.49 dependent: set(para_into).
% 191.31/191.49 dependent: clear(para_from_right).
% 191.31/191.49 dependent: clear(para_into_right).
% 191.31/191.49 dependent: set(para_from_vars).
% 191.31/191.49 dependent: set(eq_units_both_ways).
% 191.31/191.49 dependent: set(dynamic_demod_all).
% 191.31/191.49 dependent: set(dynamic_demod).
% 191.31/191.49 dependent: set(order_eq).
% 191.31/191.49 dependent: set(back_demod).
% 191.31/191.49 dependent: set(lrpo).
% 191.31/191.49
% 191.31/191.49 ------------> process usable:
% 191.31/191.49 ** KEPT (pick-wt=18): 1 [] f(f($c3,$c2,$c1),$c5,$c4)!=f($c3,f($c2,$c5,$c4),f($c1,$c5,$c4)).
% 191.31/191.49
% 191.31/191.49 ------------> process sos:
% 191.31/191.49 ** KEPT (pick-wt=3): 2 [] A=A.
% 191.31/191.49 ** KEPT (pick-wt=6): 3 [] f(A,A,B)=A.
% 191.31/191.49 ---> New Demodulator: 4 [new_demod,3] f(A,A,B)=A.
% 191.31/191.49 ** KEPT (pick-wt=9): 5 [] f(A,B,C)=f(C,A,B).
% 191.31/191.49 ** KEPT (pick-wt=9): 6 [] f(A,B,C)=f(A,C,B).
% 191.31/191.49 ** KEPT (pick-wt=15): 7 [] f(f(A,B,C),B,D)=f(A,B,f(C,B,D)).
% 191.31/191.49 ---> New Demodulator: 8 [new_demod,7] f(f(A,B,C),B,D)=f(A,B,f(C,B,D)).
% 191.31/191.49 Following clause subsumed by 2 during input processing: 0 [copy,2,flip.1] A=A.
% 191.31/191.49 >>>> Starting back demodulation with 4.
% 191.31/191.49 ** KEPT (pick-wt=9): 9 [copy,5,flip.1] f(A,B,C)=f(B,C,A).
% 191.31/191.49 Following clause subsumed by 6 during input processing: 0 [copy,6,flip.1] f(A,B,C)=f(A,C,B).
% 191.31/191.49 >>>> Starting back demodulation with 8.
% 191.31/191.49 Following clause subsumed by 5 during input processing: 0 [copy,9,flip.1] f(A,B,C)=f(C,A,B).
% 191.31/191.49
% 191.31/191.49 ======= end of input processing =======
% 191.31/191.49
% 191.31/191.49 =========== start of search ===========
% 191.31/191.49
% 191.31/191.49
% 191.31/191.49 Resetting weight limit to 15.
% 191.31/191.49
% 191.31/191.49
% 191.31/191.49 Resetting weight limit to 15.
% 191.31/191.49
% 191.31/191.49 sos_size=2984
% 191.31/191.49
% 191.31/191.49 Search stopped because sos empty.
% 191.31/191.49
% 191.31/191.49
% 191.31/191.49 Search stopped because sos empty.
% 191.31/191.49
% 191.31/191.49 ============ end of search ============
% 191.31/191.49
% 191.31/191.49 -------------- statistics -------------
% 191.31/191.49 clauses given 3218
% 191.31/191.49 clauses generated 24219364
% 191.31/191.49 clauses kept 5070
% 191.31/191.49 clauses forward subsumed 5634679
% 191.31/191.49 clauses back subsumed 139
% 191.31/191.49 Kbytes malloced 5859
% 191.31/191.49
% 191.31/191.49 ----------- times (seconds) -----------
% 191.31/191.49 user CPU time 189.31 (0 hr, 3 min, 9 sec)
% 191.31/191.49 system CPU time 0.01 (0 hr, 0 min, 0 sec)
% 191.31/191.49 wall-clock time 191 (0 hr, 3 min, 11 sec)
% 191.31/191.49
% 191.31/191.49 Process 24394 finished Wed Jul 27 03:59:34 2022
% 191.31/191.49 Otter interrupted
% 191.31/191.49 PROOF NOT FOUND
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