TSTP Solution File: LCL897+1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : LCL897+1 : TPTP v8.1.0. Released v5.5.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n024.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  : 600s
% DateTime : Sun Jul 17 14:40:49 EDT 2022

% Result   : Theorem 19.94s 20.14s
% Output   : Refutation 19.94s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    7
%            Number of leaves      :    5
% Syntax   : Number of clauses     :   20 (  20 unt;   0 nHn;  20 RR)
%            Number of literals    :   20 (   0 equ;   3 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :    9 (   9 usr;   7 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(5,axiom,
    equal(a43_(u,v),a43_(v,u)),
    file('LCL897+1.p',unknown),
    [] ).

cnf(6,axiom,
    equal(a43_(a43_(u,v),w),a43_(u,a43_(v,w))),
    file('LCL897+1.p',unknown),
    [] ).

cnf(7,axiom,
    equal(a61__a61__a62_(a43_(u,v),w),a61__a61__a62_(u,a61__a61__a62_(v,w))),
    file('LCL897+1.p',unknown),
    [] ).

cnf(8,axiom,
    equal(a43_(u,a61__a61__a62_(u,v)),a43_(v,a61__a61__a62_(v,u))),
    file('LCL897+1.p',unknown),
    [] ).

cnf(9,axiom,
    ~ equal(a43_(a43_(a,a61__a61__a62_(a,b)),a61__a61__a62_(a43_(a,a61__a61__a62_(a,b)),c)),a43_(a,a61__a61__a62_(a,a43_(b,a61__a61__a62_(b,c))))),
    file('LCL897+1.p',unknown),
    [] ).

cnf(10,plain,
    ~ equal(a43_(a,a43_(a61__a61__a62_(a,b),a61__a61__a62_(a,a61__a61__a62_(a61__a61__a62_(a,b),c)))),a43_(a,a61__a61__a62_(a,a43_(b,a61__a61__a62_(b,c))))),
    inference(rew,[status(thm),theory(equality)],[6,9,7]),
    [iquote('0:Rew:6.0,9.0,7.0,9.0')] ).

cnf(49,plain,
    equal(a43_(a43_(u,v),a61__a61__a62_(u,a61__a61__a62_(v,w))),a43_(w,a61__a61__a62_(w,a43_(u,v)))),
    inference(spr,[status(thm),theory(equality)],[7,8]),
    [iquote('0:SpR:7.0,8.0')] ).

cnf(54,plain,
    equal(a61__a61__a62_(a43_(u,v),w),a61__a61__a62_(v,a61__a61__a62_(u,w))),
    inference(spr,[status(thm),theory(equality)],[5,7]),
    [iquote('0:SpR:5.0,7.0')] ).

cnf(61,plain,
    equal(a61__a61__a62_(u,a61__a61__a62_(v,w)),a61__a61__a62_(v,a61__a61__a62_(u,w))),
    inference(rew,[status(thm),theory(equality)],[7,54]),
    [iquote('0:Rew:7.0,54.0')] ).

cnf(65,plain,
    equal(a43_(u,a43_(v,a61__a61__a62_(u,a61__a61__a62_(v,w)))),a43_(w,a61__a61__a62_(w,a43_(u,v)))),
    inference(rew,[status(thm),theory(equality)],[6,49]),
    [iquote('0:Rew:6.0,49.0')] ).

cnf(66,plain,
    ~ equal(a43_(c,a61__a61__a62_(c,a43_(a,a61__a61__a62_(a,b)))),a43_(a,a61__a61__a62_(a,a43_(b,a61__a61__a62_(b,c))))),
    inference(rew,[status(thm),theory(equality)],[65,10]),
    [iquote('0:Rew:65.0,10.0')] ).

cnf(94,plain,
    equal(a43_(a43_(u,v),w),a43_(v,a43_(u,w))),
    inference(spr,[status(thm),theory(equality)],[5,6]),
    [iquote('0:SpR:5.0,6.0')] ).

cnf(101,plain,
    equal(a43_(u,a43_(v,w)),a43_(v,a43_(u,w))),
    inference(rew,[status(thm),theory(equality)],[6,94]),
    [iquote('0:Rew:6.0,94.0')] ).

cnf(131,plain,
    equal(a43_(u,a61__a61__a62_(v,a61__a61__a62_(u,w))),a43_(a61__a61__a62_(v,w),a61__a61__a62_(a61__a61__a62_(v,w),u))),
    inference(spr,[status(thm),theory(equality)],[61,8]),
    [iquote('0:SpR:61.0,8.0')] ).

cnf(2697,plain,
    equal(a43_(u,a61__a61__a62_(u,a43_(v,w))),a43_(w,a43_(v,a61__a61__a62_(v,a61__a61__a62_(w,u))))),
    inference(spr,[status(thm),theory(equality)],[65,101]),
    [iquote('0:SpR:65.0,101.0')] ).

cnf(2813,plain,
    equal(a43_(u,a43_(a61__a61__a62_(u,v),a61__a61__a62_(u,a61__a61__a62_(a61__a61__a62_(u,v),w)))),a43_(w,a61__a61__a62_(w,a43_(v,a61__a61__a62_(v,u))))),
    inference(spr,[status(thm),theory(equality)],[8,65]),
    [iquote('0:SpR:8.0,65.0')] ).

cnf(26595,plain,
    equal(a43_(u,a43_(a61__a61__a62_(u,v),a61__a61__a62_(w,a61__a61__a62_(a61__a61__a62_(u,v),x)))),a43_(v,a61__a61__a62_(v,a43_(a61__a61__a62_(w,x),u)))),
    inference(spr,[status(thm),theory(equality)],[131,2697]),
    [iquote('0:SpR:131.0,2697.0')] ).

cnf(26674,plain,
    equal(a43_(u,a61__a61__a62_(u,a43_(a61__a61__a62_(v,w),v))),a43_(w,a61__a61__a62_(w,a43_(u,a61__a61__a62_(u,v))))),
    inference(rew,[status(thm),theory(equality)],[26595,2813]),
    [iquote('0:Rew:26595.0,2813.0')] ).

cnf(26675,plain,
    equal(a43_(u,a61__a61__a62_(u,a43_(v,a61__a61__a62_(v,w)))),a43_(w,a61__a61__a62_(w,a43_(u,a61__a61__a62_(u,v))))),
    inference(rew,[status(thm),theory(equality)],[5,26674]),
    [iquote('0:Rew:5.0,26674.0')] ).

cnf(26676,plain,
    $false,
    inference(unc,[status(thm)],[26675,66]),
    [iquote('0:UnC:26675.0,66.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : LCL897+1 : TPTP v8.1.0. Released v5.5.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n024.cluster.edu
% 0.13/0.34  % Model    : x86_64 x86_64
% 0.13/0.34  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.34  % Memory   : 8042.1875MB
% 0.13/0.34  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.34  % CPULimit : 300
% 0.13/0.34  % WCLimit  : 600
% 0.13/0.34  % DateTime : Sat Jul  2 22:10:45 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 19.94/20.14  
% 19.94/20.14  SPASS V 3.9 
% 19.94/20.14  SPASS beiseite: Proof found.
% 19.94/20.14  % SZS status Theorem
% 19.94/20.14  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 19.94/20.14  SPASS derived 15749 clauses, backtracked 0 clauses, performed 0 splits and kept 3228 clauses.
% 19.94/20.14  SPASS allocated 117124 KBytes.
% 19.94/20.14  SPASS spent	0:0:19.25 on the problem.
% 19.94/20.14  		0:00:00.04 for the input.
% 19.94/20.14  		0:00:00.03 for the FLOTTER CNF translation.
% 19.94/20.14  		0:00:00.12 for inferences.
% 19.94/20.14  		0:00:00.00 for the backtracking.
% 19.94/20.14  		0:0:19.03 for the reduction.
% 19.94/20.14  
% 19.94/20.14  
% 19.94/20.14  Here is a proof with depth 3, length 20 :
% 19.94/20.14  % SZS output start Refutation
% See solution above
% 19.94/20.14  Formulae used in the proof : sos_02 sos_01 sos_07 sos_08 goals_09
% 19.94/20.14  
%------------------------------------------------------------------------------