TSTP Solution File: ALG212+1 by Otter---3.3
View Problem
- Process Solution
%------------------------------------------------------------------------------
% File : Otter---3.3
% Problem : ALG212+1 : TPTP v8.1.0. Released v3.2.0.
% Transfm : none
% Format : tptp:raw
% Command : otter-tptp-script %s
% Computer : n006.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 12:46:18 EDT 2022
% Result : Unknown 176.74s 176.90s
% Output : None
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.06/0.11 % Problem : ALG212+1 : TPTP v8.1.0. Released v3.2.0.
% 0.06/0.12 % Command : otter-tptp-script %s
% 0.12/0.33 % Computer : n006.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 03:54:47 EDT 2022
% 0.12/0.33 % CPUTime :
% 176.74/176.90 ----- Otter 3.3f, August 2004 -----
% 176.74/176.90 The process was started by sandbox on n006.cluster.edu,
% 176.74/176.90 Wed Jul 27 03:54:47 2022
% 176.74/176.90 The command was "./otter". The process ID is 26581.
% 176.74/176.90
% 176.74/176.90 set(prolog_style_variables).
% 176.74/176.90 set(auto).
% 176.74/176.90 dependent: set(auto1).
% 176.74/176.90 dependent: set(process_input).
% 176.74/176.90 dependent: clear(print_kept).
% 176.74/176.90 dependent: clear(print_new_demod).
% 176.74/176.90 dependent: clear(print_back_demod).
% 176.74/176.90 dependent: clear(print_back_sub).
% 176.74/176.90 dependent: set(control_memory).
% 176.74/176.90 dependent: assign(max_mem, 12000).
% 176.74/176.90 dependent: assign(pick_given_ratio, 4).
% 176.74/176.90 dependent: assign(stats_level, 1).
% 176.74/176.90 dependent: assign(max_seconds, 10800).
% 176.74/176.90 clear(print_given).
% 176.74/176.90
% 176.74/176.90 formula_list(usable).
% 176.74/176.90 all A (A=A).
% 176.74/176.90 all X Y (f(X,X,Y)=X).
% 176.74/176.90 all X Y Z (f(X,Y,Z)=f(Z,X,Y)).
% 176.74/176.90 all X Y Z (f(X,Y,Z)=f(X,Z,Y)).
% 176.74/176.90 all W X Y Z (f(f(X,W,Y),W,Z)=f(X,W,f(Y,W,Z))).
% 176.74/176.90 -(all U W X Y Z (f(f(X,Y,Z),U,W)=f(f(X,U,W),f(Y,U,W),f(Z,U,W)))).
% 176.74/176.90 end_of_list.
% 176.74/176.90
% 176.74/176.90 -------> usable clausifies to:
% 176.74/176.90
% 176.74/176.90 list(usable).
% 176.74/176.90 0 [] A=A.
% 176.74/176.90 0 [] f(X,X,Y)=X.
% 176.74/176.90 0 [] f(X,Y,Z)=f(Z,X,Y).
% 176.74/176.90 0 [] f(X,Y,Z)=f(X,Z,Y).
% 176.74/176.90 0 [] f(f(X,W,Y),W,Z)=f(X,W,f(Y,W,Z)).
% 176.74/176.90 0 [] f(f($c3,$c2,$c1),$c5,$c4)!=f(f($c3,$c5,$c4),f($c2,$c5,$c4),f($c1,$c5,$c4)).
% 176.74/176.90 end_of_list.
% 176.74/176.90
% 176.74/176.90 SCAN INPUT: prop=0, horn=1, equality=1, symmetry=0, max_lits=1.
% 176.74/176.90
% 176.74/176.90 All clauses are units, and equality is present; the
% 176.74/176.90 strategy will be Knuth-Bendix with positive clauses in sos.
% 176.74/176.90
% 176.74/176.90 dependent: set(knuth_bendix).
% 176.74/176.90 dependent: set(anl_eq).
% 176.74/176.90 dependent: set(para_from).
% 176.74/176.90 dependent: set(para_into).
% 176.74/176.90 dependent: clear(para_from_right).
% 176.74/176.90 dependent: clear(para_into_right).
% 176.74/176.90 dependent: set(para_from_vars).
% 176.74/176.90 dependent: set(eq_units_both_ways).
% 176.74/176.90 dependent: set(dynamic_demod_all).
% 176.74/176.90 dependent: set(dynamic_demod).
% 176.74/176.90 dependent: set(order_eq).
% 176.74/176.90 dependent: set(back_demod).
% 176.74/176.90 dependent: set(lrpo).
% 176.74/176.90
% 176.74/176.90 ------------> process usable:
% 176.74/176.90 ** KEPT (pick-wt=21): 2 [copy,1,flip.1] f(f($c3,$c5,$c4),f($c2,$c5,$c4),f($c1,$c5,$c4))!=f(f($c3,$c2,$c1),$c5,$c4).
% 176.74/176.90
% 176.74/176.90 ------------> process sos:
% 176.74/176.90 ** KEPT (pick-wt=3): 3 [] A=A.
% 176.74/176.90 ** KEPT (pick-wt=6): 4 [] f(A,A,B)=A.
% 176.74/176.90 ---> New Demodulator: 5 [new_demod,4] f(A,A,B)=A.
% 176.74/176.90 ** KEPT (pick-wt=9): 6 [] f(A,B,C)=f(C,A,B).
% 176.74/176.90 ** KEPT (pick-wt=9): 7 [] f(A,B,C)=f(A,C,B).
% 176.74/176.90 ** KEPT (pick-wt=15): 8 [] f(f(A,B,C),B,D)=f(A,B,f(C,B,D)).
% 176.74/176.90 ---> New Demodulator: 9 [new_demod,8] f(f(A,B,C),B,D)=f(A,B,f(C,B,D)).
% 176.74/176.90 Following clause subsumed by 3 during input processing: 0 [copy,3,flip.1] A=A.
% 176.74/176.90 >>>> Starting back demodulation with 5.
% 176.74/176.90 ** KEPT (pick-wt=9): 10 [copy,6,flip.1] f(A,B,C)=f(B,C,A).
% 176.74/176.90 Following clause subsumed by 7 during input processing: 0 [copy,7,flip.1] f(A,B,C)=f(A,C,B).
% 176.74/176.90 >>>> Starting back demodulation with 9.
% 176.74/176.90 Following clause subsumed by 6 during input processing: 0 [copy,10,flip.1] f(A,B,C)=f(C,A,B).
% 176.74/176.90
% 176.74/176.90 ======= end of input processing =======
% 176.74/176.90
% 176.74/176.90 =========== start of search ===========
% 176.74/176.90
% 176.74/176.90
% 176.74/176.90 Resetting weight limit to 15.
% 176.74/176.90
% 176.74/176.90
% 176.74/176.90 Resetting weight limit to 15.
% 176.74/176.90
% 176.74/176.90 sos_size=3045
% 176.74/176.90
% 176.74/176.90 Search stopped because sos empty.
% 176.74/176.90
% 176.74/176.90
% 176.74/176.90 Search stopped because sos empty.
% 176.74/176.90
% 176.74/176.90 ============ end of search ============
% 176.74/176.90
% 176.74/176.90 -------------- statistics -------------
% 176.74/176.90 clauses given 3288
% 176.74/176.90 clauses generated 22903924
% 176.74/176.90 clauses kept 5112
% 176.74/176.90 clauses forward subsumed 5246382
% 176.74/176.90 clauses back subsumed 139
% 176.74/176.90 Kbytes malloced 5859
% 176.74/176.90
% 176.74/176.90 ----------- times (seconds) -----------
% 176.74/176.90 user CPU time 174.82 (0 hr, 2 min, 54 sec)
% 176.74/176.90 system CPU time 0.01 (0 hr, 0 min, 0 sec)
% 176.74/176.90 wall-clock time 176 (0 hr, 2 min, 56 sec)
% 176.74/176.90
% 176.74/176.90 Process 26581 finished Wed Jul 27 03:57:43 2022
% 176.74/176.90 Otter interrupted
% 176.74/176.90 PROOF NOT FOUND
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