TSTP Solution File: SWW412-1 by SPASS---3.9

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%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SWW412-1 : 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 57.66s 57.86s
% Output   : Refutation 57.66s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   11
%            Number of leaves      :    8
% Syntax   : Number of clauses     :   24 (  15 unt;   6 nHn;  24 RR)
%            Number of literals    :   36 (   0 equ;  10 neg)
%            Maximal clause size   :    3 (   1 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   14 (  14 usr;  11 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(4,axiom,
    ~ equal(x3__dfg,x2__dfg),
    file('SWW412-1.p',unknown),
    [] ).

cnf(6,axiom,
    ~ equal(x4__dfg,x1__dfg),
    file('SWW412-1.p',unknown),
    [] ).

cnf(8,axiom,
    heap(sep(lseg(x3__dfg,nil),sep(lseg(x4__dfg,nil),sep(next(x1__dfg,x4__dfg),sep(next(x2__dfg,x3__dfg),emp))))),
    file('SWW412-1.p',unknown),
    [] ).

cnf(9,axiom,
    ~ heap(sep(lseg(x2__dfg,nil),sep(lseg(x1__dfg,nil),emp))),
    file('SWW412-1.p',unknown),
    [] ).

cnf(10,axiom,
    equal(sep(u,sep(v,w)),sep(v,sep(u,w))),
    file('SWW412-1.p',unknown),
    [] ).

cnf(11,axiom,
    equal(sep(lseg(u,u),v),v),
    file('SWW412-1.p',unknown),
    [] ).

cnf(17,axiom,
    ( ~ heap(sep(next(u,v),sep(lseg(v,w),x)))
    | heap(sep(lseg(u,w),x))
    | equal(u,v) ),
    file('SWW412-1.p',unknown),
    [] ).

cnf(18,axiom,
    ( ~ heap(sep(lseg(u,v),sep(lseg(v,nil),w)))
    | heap(sep(lseg(u,nil),w)) ),
    file('SWW412-1.p',unknown),
    [] ).

cnf(21,plain,
    ~ heap(sep(lseg(x1__dfg,nil),sep(lseg(x2__dfg,nil),emp))),
    inference(rew,[status(thm),theory(equality)],[10,9]),
    [iquote('0:Rew:10.0,9.0')] ).

cnf(27,plain,
    equal(sep(u,sep(v,sep(w,x))),sep(v,sep(w,sep(u,x)))),
    inference(spr,[status(thm),theory(equality)],[10]),
    [iquote('0:SpR:10.0,10.0')] ).

cnf(92,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)],[10,18]),
    [iquote('0:SpL:10.0,18.0')] ).

cnf(169,plain,
    equal(sep(u,sep(v,sep(w,x))),sep(u,sep(w,sep(v,x)))),
    inference(spr,[status(thm),theory(equality)],[27,10]),
    [iquote('0:SpR:27.0,10.0')] ).

cnf(257,plain,
    ( ~ heap(sep(u,sep(lseg(v,w),sep(lseg(w,nil),x))))
    | heap(sep(lseg(v,nil),sep(u,x))) ),
    inference(spl,[status(thm),theory(equality)],[27,18]),
    [iquote('0:SpL:27.0,18.0')] ).

cnf(702,plain,
    ( ~ heap(sep(next(u,v),w))
    | heap(sep(lseg(u,v),w))
    | equal(u,v) ),
    inference(spl,[status(thm),theory(equality)],[11,17]),
    [iquote('0:SpL:11.0,17.0')] ).

cnf(803,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)],[27,702]),
    [iquote('0:SpL:27.0,702.0')] ).

cnf(22796,plain,
    ( heap(sep(lseg(x1__dfg,x4__dfg),sep(lseg(x3__dfg,nil),sep(lseg(x4__dfg,nil),sep(next(x2__dfg,x3__dfg),emp)))))
    | equal(x4__dfg,x1__dfg) ),
    inference(res,[status(thm),theory(equality)],[8,803]),
    [iquote('0:Res:8.0,803.0')] ).

cnf(22797,plain,
    heap(sep(lseg(x1__dfg,x4__dfg),sep(lseg(x3__dfg,nil),sep(lseg(x4__dfg,nil),sep(next(x2__dfg,x3__dfg),emp))))),
    inference(mrr,[status(thm)],[22796,6]),
    [iquote('0:MRR:22796.1,6.0')] ).

cnf(22823,plain,
    heap(sep(lseg(x1__dfg,nil),sep(lseg(x3__dfg,nil),sep(next(x2__dfg,x3__dfg),emp)))),
    inference(res,[status(thm),theory(equality)],[22797,92]),
    [iquote('0:Res:22797.0,92.0')] ).

cnf(22851,plain,
    ( heap(sep(lseg(x2__dfg,x3__dfg),sep(lseg(x1__dfg,nil),sep(lseg(x3__dfg,nil),emp))))
    | equal(x3__dfg,x2__dfg) ),
    inference(res,[status(thm),theory(equality)],[22823,803]),
    [iquote('0:Res:22823.0,803.0')] ).

cnf(22858,plain,
    ( heap(sep(lseg(x1__dfg,nil),sep(lseg(x2__dfg,x3__dfg),sep(lseg(x3__dfg,nil),emp))))
    | equal(x3__dfg,x2__dfg) ),
    inference(rew,[status(thm),theory(equality)],[169,22851,27]),
    [iquote('0:Rew:169.0,22851.0,27.0,22851.0')] ).

cnf(22859,plain,
    heap(sep(lseg(x1__dfg,nil),sep(lseg(x2__dfg,x3__dfg),sep(lseg(x3__dfg,nil),emp)))),
    inference(mrr,[status(thm)],[22858,4]),
    [iquote('0:MRR:22858.1,4.0')] ).

cnf(22864,plain,
    heap(sep(lseg(x2__dfg,nil),sep(lseg(x1__dfg,nil),emp))),
    inference(res,[status(thm),theory(equality)],[22859,257]),
    [iquote('0:Res:22859.0,257.0')] ).

cnf(22866,plain,
    heap(sep(lseg(x1__dfg,nil),sep(lseg(x2__dfg,nil),emp))),
    inference(rew,[status(thm),theory(equality)],[10,22864]),
    [iquote('0:Rew:10.0,22864.0')] ).

cnf(22867,plain,
    $false,
    inference(mrr,[status(thm)],[22866,21]),
    [iquote('0:MRR:22866.0,21.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.04/0.14  % Problem  : SWW412-1 : TPTP v8.1.0. Released v5.2.0.
% 0.04/0.14  % Command  : run_spass %d %s
% 0.15/0.36  % Computer : n021.cluster.edu
% 0.15/0.36  % Model    : x86_64 x86_64
% 0.15/0.36  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.15/0.36  % Memory   : 8042.1875MB
% 0.15/0.36  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.15/0.36  % CPULimit : 300
% 0.15/0.36  % WCLimit  : 600
% 0.15/0.36  % DateTime : Sat Jun  4 10:25:18 EDT 2022
% 0.15/0.36  % CPUTime  : 
% 57.66/57.86  
% 57.66/57.86  SPASS V 3.9 
% 57.66/57.86  SPASS beiseite: Proof found.
% 57.66/57.86  % SZS status Theorem
% 57.66/57.86  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 57.66/57.86  SPASS derived 22530 clauses, backtracked 0 clauses, performed 0 splits and kept 3047 clauses.
% 57.66/57.86  SPASS allocated 79691 KBytes.
% 57.66/57.86  SPASS spent	0:0:57.31 on the problem.
% 57.66/57.86  		0:00:00.04 for the input.
% 57.66/57.86  		0:00:00.00 for the FLOTTER CNF translation.
% 57.66/57.86  		0:00:00.37 for inferences.
% 57.66/57.86  		0:00:00.00 for the backtracking.
% 57.66/57.86  		0:0:56.86 for the reduction.
% 57.66/57.86  
% 57.66/57.86  
% 57.66/57.86  Here is a proof with depth 6, length 24 :
% 57.66/57.86  % SZS output start Refutation
% See solution above
% 57.66/57.86  Formulae used in the proof : premise_4 premise_6 premise_8 conclusion_1 associative_commutative normalization unfolding_2 unfolding_3
% 57.66/57.86  
%------------------------------------------------------------------------------