TSTP Solution File: SWW409-1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWW409-1 : TPTP v8.1.0. Released v5.2.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n021.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 : Thu Jul 21 01:28:26 EDT 2022

% Result   : Unsatisfiable 48.26s 48.45s
% Output   : Refutation 48.26s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    6
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   17 (  11 unt;   4 nHn;  17 RR)
%            Number of literals    :   26 (   0 equ;   9 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    5 (   2 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   13 (  13 usr;  10 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(3,axiom,
    ~ equal(x3__dfg,x1__dfg),
    file('SWW409-1.p',unknown),
    [] ).

cnf(5,axiom,
    heap(sep(lseg(x2__dfg,x1__dfg),sep(lseg(x3__dfg,nil),sep(next(x1__dfg,x3__dfg),emp)))),
    file('SWW409-1.p',unknown),
    [] ).

cnf(6,axiom,
    ~ heap(sep(lseg(x2__dfg,nil),emp)),
    file('SWW409-1.p',unknown),
    [] ).

cnf(7,axiom,
    equal(sep(u,sep(v,w)),sep(v,sep(u,w))),
    file('SWW409-1.p',unknown),
    [] ).

cnf(8,axiom,
    equal(sep(lseg(u,u),v),v),
    file('SWW409-1.p',unknown),
    [] ).

cnf(14,axiom,
    ( ~ heap(sep(next(u,v),sep(lseg(v,w),x)))
    | heap(sep(lseg(u,w),x))
    | equal(u,v) ),
    file('SWW409-1.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ heap(sep(lseg(u,v),sep(lseg(v,nil),w)))
    | heap(sep(lseg(u,nil),w)) ),
    file('SWW409-1.p',unknown),
    [] ).

cnf(18,plain,
    ~ heap(sep(lseg(x2__dfg,u),sep(lseg(u,nil),emp))),
    inference(res,[status(thm),theory(equality)],[15,6]),
    [iquote('0:Res:15.1,6.0')] ).

cnf(26,plain,
    equal(sep(u,sep(v,sep(w,x))),sep(v,sep(w,sep(u,x)))),
    inference(spr,[status(thm),theory(equality)],[7]),
    [iquote('0:SpR:7.0,7.0')] ).

cnf(37,plain,
    ~ heap(sep(lseg(u,nil),sep(lseg(x2__dfg,u),emp))),
    inference(spl,[status(thm),theory(equality)],[7,18]),
    [iquote('0:SpL:7.0,18.0')] ).

cnf(120,plain,
    ( ~ heap(sep(lseg(u,v),sep(w,sep(lseg(v,nil),x))))
    | heap(sep(lseg(u,nil),sep(w,x))) ),
    inference(spl,[status(thm),theory(equality)],[7,15]),
    [iquote('0:SpL:7.0,15.0')] ).

cnf(683,plain,
    ( ~ heap(sep(next(u,v),w))
    | heap(sep(lseg(u,v),w))
    | equal(u,v) ),
    inference(spl,[status(thm),theory(equality)],[8,14]),
    [iquote('0:SpL:8.0,14.0')] ).

cnf(836,plain,
    ( ~ heap(sep(u,sep(v,sep(next(w,x),y))))
    | heap(sep(lseg(w,x),sep(u,sep(v,y))))
    | equal(w,x) ),
    inference(spl,[status(thm),theory(equality)],[26,683]),
    [iquote('0:SpL:26.0,683.0')] ).

cnf(22601,plain,
    ( heap(sep(lseg(x1__dfg,x3__dfg),sep(lseg(x2__dfg,x1__dfg),sep(lseg(x3__dfg,nil),emp))))
    | equal(x3__dfg,x1__dfg) ),
    inference(res,[status(thm),theory(equality)],[5,836]),
    [iquote('0:Res:5.0,836.0')] ).

cnf(22602,plain,
    heap(sep(lseg(x1__dfg,x3__dfg),sep(lseg(x2__dfg,x1__dfg),sep(lseg(x3__dfg,nil),emp)))),
    inference(mrr,[status(thm)],[22601,3]),
    [iquote('0:MRR:22601.1,3.0')] ).

cnf(22610,plain,
    heap(sep(lseg(x1__dfg,nil),sep(lseg(x2__dfg,x1__dfg),emp))),
    inference(res,[status(thm),theory(equality)],[22602,120]),
    [iquote('0:Res:22602.0,120.0')] ).

cnf(22612,plain,
    $false,
    inference(mrr,[status(thm)],[22610,37]),
    [iquote('0:MRR:22610.0,37.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.13  % Problem  : SWW409-1 : TPTP v8.1.0. Released v5.2.0.
% 0.04/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n021.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 : Sun Jun  5 16:25:19 EDT 2022
% 0.13/0.35  % CPUTime  : 
% 48.26/48.45  
% 48.26/48.45  SPASS V 3.9 
% 48.26/48.45  SPASS beiseite: Proof found.
% 48.26/48.45  % SZS status Theorem
% 48.26/48.45  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 48.26/48.45  SPASS derived 22333 clauses, backtracked 0 clauses, performed 0 splits and kept 3050 clauses.
% 48.26/48.45  SPASS allocated 79567 KBytes.
% 48.26/48.45  SPASS spent	0:0:47.94 on the problem.
% 48.26/48.45  		0:00:00.04 for the input.
% 48.26/48.45  		0:00:00.00 for the FLOTTER CNF translation.
% 48.26/48.45  		0:00:00.34 for inferences.
% 48.26/48.45  		0:00:00.00 for the backtracking.
% 48.26/48.45  		0:0:47.52 for the reduction.
% 48.26/48.45  
% 48.26/48.45  
% 48.26/48.45  Here is a proof with depth 4, length 17 :
% 48.26/48.45  % SZS output start Refutation
% See solution above
% 48.26/48.45  Formulae used in the proof : premise_3 premise_5 conclusion_1 associative_commutative normalization unfolding_2 unfolding_3
% 48.26/48.45  
%------------------------------------------------------------------------------