TSTP Solution File: SYO691-1.001 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SYO691-1.001 : TPTP v8.1.0. Released v7.3.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n025.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 19:55:35 EDT 2022

% Result   : Unsatisfiable 6.50s 6.70s
% Output   : Refutation 6.50s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   28 (   5 unt;   0 nHn;  28 RR)
%            Number of literals    :   71 (   0 equ;  53 neg)
%            Maximal clause size   :    4 (   2 avg)
%            Maximal term depth    :    6 (   2 avg)
%            Number of predicates  :    4 (   3 usr;   1 prp; 0-3 aty)
%            Number of functors    :   10 (  10 usr;   8 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    top(f(f(f(u,a),v),f(w,a)),f(f(w,f(f(v,a),a)),u)),
    file('SYO691-1.001.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ top(u,v)
    | step__dfg(u,v) ),
    file('SYO691-1.001.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ step__dfg(u,v)
    | step__dfg(f(u,w),f(v,w)) ),
    file('SYO691-1.001.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ step__dfg(u,v)
    | step__dfg(f(w,u),f(w,v)) ),
    file('SYO691-1.001.p',unknown),
    [] ).

cnf(5,axiom,
    seq(zero,u,u),
    file('SYO691-1.001.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ step__dfg(u,v)
    | ~ seq(w,x,u)
    | seq(succ(w),x,v) ),
    file('SYO691-1.001.p',unknown),
    [] ).

cnf(7,axiom,
    ~ seq(succ(succ(succ(succ(succ(zero))))),u,u),
    file('SYO691-1.001.p',unknown),
    [] ).

cnf(8,plain,
    ( ~ step__dfg(u,v)
    | ~ seq(succ(succ(succ(succ(zero)))),v,u) ),
    inference(res,[status(thm),theory(equality)],[6,7]),
    [iquote('0:Res:6.2,7.0')] ).

cnf(9,plain,
    ( ~ step__dfg(u,v)
    | seq(succ(zero),u,v) ),
    inference(res,[status(thm),theory(equality)],[5,6]),
    [iquote('0:Res:5.0,6.1')] ).

cnf(10,plain,
    ( ~ step__dfg(u,v)
    | ~ step__dfg(v,w)
    | seq(succ(succ(zero)),u,w) ),
    inference(res,[status(thm),theory(equality)],[9,6]),
    [iquote('0:Res:9.1,6.1')] ).

cnf(12,plain,
    ( ~ step__dfg(u,v)
    | ~ step__dfg(f(w,v),x)
    | seq(succ(succ(zero)),f(w,u),x) ),
    inference(res,[status(thm),theory(equality)],[4,10]),
    [iquote('0:Res:4.1,10.0')] ).

cnf(17,plain,
    ( ~ step__dfg(u,v)
    | ~ step__dfg(w,x)
    | seq(succ(succ(zero)),f(u,w),f(v,x)) ),
    inference(res,[status(thm),theory(equality)],[3,12]),
    [iquote('0:Res:3.1,12.1')] ).

cnf(25,plain,
    ( ~ step__dfg(u,v)
    | ~ step__dfg(w,x)
    | ~ step__dfg(f(v,x),y)
    | seq(succ(succ(succ(zero))),f(u,w),y) ),
    inference(res,[status(thm),theory(equality)],[17,6]),
    [iquote('0:Res:17.2,6.1')] ).

cnf(53,plain,
    ( ~ top(f(u,v),w)
    | ~ step__dfg(x,u)
    | ~ step__dfg(y,v)
    | seq(succ(succ(succ(zero))),f(x,y),w) ),
    inference(res,[status(thm),theory(equality)],[2,25]),
    [iquote('0:Res:2.1,25.2')] ).

cnf(81,plain,
    ( ~ step__dfg(u,f(f(v,a),w))
    | ~ step__dfg(x,f(y,a))
    | seq(succ(succ(succ(zero))),f(u,x),f(f(y,f(f(w,a),a)),v)) ),
    inference(res,[status(thm),theory(equality)],[1,53]),
    [iquote('0:Res:1.0,53.0')] ).

cnf(225,plain,
    ( ~ step__dfg(u,f(f(v,a),w))
    | ~ step__dfg(x,f(y,a))
    | ~ step__dfg(f(f(y,f(f(w,a),a)),v),z)
    | seq(succ(succ(succ(succ(zero)))),f(u,x),z) ),
    inference(res,[status(thm),theory(equality)],[81,6]),
    [iquote('0:Res:81.2,6.1')] ).

cnf(632,plain,
    ( ~ step__dfg(f(u,f(f(v,a),a)),w)
    | ~ step__dfg(x,f(f(y,a),v))
    | ~ step__dfg(z,f(u,a))
    | seq(succ(succ(succ(succ(zero)))),f(x,z),f(w,y)) ),
    inference(res,[status(thm),theory(equality)],[3,225]),
    [iquote('0:Res:3.1,225.2')] ).

cnf(1081,plain,
    ( ~ top(f(u,f(f(v,a),a)),w)
    | ~ step__dfg(x,f(f(y,a),v))
    | ~ step__dfg(z,f(u,a))
    | seq(succ(succ(succ(succ(zero)))),f(x,z),f(w,y)) ),
    inference(res,[status(thm),theory(equality)],[2,632]),
    [iquote('0:Res:2.1,632.0')] ).

cnf(1461,plain,
    ( ~ step__dfg(u,f(f(v,a),w))
    | ~ step__dfg(x,f(f(f(y,a),z),a))
    | seq(succ(succ(succ(succ(zero)))),f(u,x),f(f(f(f(w,a),f(f(z,a),a)),y),v)) ),
    inference(res,[status(thm),theory(equality)],[1,1081]),
    [iquote('0:Res:1.0,1081.0')] ).

cnf(3737,plain,
    ( ~ step__dfg(u,f(f(v,a),w))
    | ~ step__dfg(x,f(f(f(y,a),z),a))
    | ~ step__dfg(f(f(f(f(w,a),f(f(z,a),a)),y),v),f(u,x)) ),
    inference(res,[status(thm),theory(equality)],[1461,8]),
    [iquote('0:Res:1461.2,8.1')] ).

cnf(3740,plain,
    ( ~ step__dfg(u,v)
    | ~ step__dfg(f(f(f(w,a),f(f(x,a),a)),y),f(f(u,a),w))
    | ~ step__dfg(v,f(f(f(y,a),x),a)) ),
    inference(res,[status(thm),theory(equality)],[4,3737]),
    [iquote('0:Res:4.1,3737.2')] ).

cnf(3746,plain,
    ( ~ step__dfg(f(f(u,a),f(f(v,a),a)),f(w,a))
    | ~ step__dfg(w,x)
    | ~ step__dfg(x,f(f(f(u,a),v),a)) ),
    inference(res,[status(thm),theory(equality)],[3,3740]),
    [iquote('0:Res:3.1,3740.1')] ).

cnf(3747,plain,
    ( ~ top(f(f(u,a),f(f(v,a),a)),f(w,a))
    | ~ step__dfg(w,x)
    | ~ step__dfg(x,f(f(f(u,a),v),a)) ),
    inference(res,[status(thm),theory(equality)],[2,3746]),
    [iquote('0:Res:2.1,3746.0')] ).

cnf(3751,plain,
    ( ~ step__dfg(f(f(u,a),f(f(a,a),a)),v)
    | ~ step__dfg(v,f(f(f(f(a,a),a),u),a)) ),
    inference(res,[status(thm),theory(equality)],[1,3747]),
    [iquote('0:Res:1.0,3747.0')] ).

cnf(3752,plain,
    ( ~ top(f(f(u,a),f(f(a,a),a)),v)
    | ~ step__dfg(v,f(f(f(f(a,a),a),u),a)) ),
    inference(res,[status(thm),theory(equality)],[2,3751]),
    [iquote('0:Res:2.1,3751.0')] ).

cnf(3762,plain,
    ( ~ top(u,f(f(f(f(a,a),a),v),a))
    | ~ top(f(f(v,a),f(f(a,a),a)),u) ),
    inference(res,[status(thm),theory(equality)],[2,3752]),
    [iquote('0:Res:2.1,3752.1')] ).

cnf(3767,plain,
    ~ top(f(f(f(f(u,a),a),a),f(f(a,a),a)),f(f(f(a,a),u),f(f(f(a,a),a),a))),
    inference(res,[status(thm),theory(equality)],[1,3762]),
    [iquote('0:Res:1.0,3762.0')] ).

cnf(3768,plain,
    $false,
    inference(unc,[status(thm)],[3767,1]),
    [iquote('0:UnC:3767.0,1.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : SYO691-1.001 : TPTP v8.1.0. Released v7.3.0.
% 0.03/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n025.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  : 600
% 0.12/0.34  % DateTime : Sat Jul  9 13:29:45 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 6.50/6.70  
% 6.50/6.70  SPASS V 3.9 
% 6.50/6.70  SPASS beiseite: Proof found.
% 6.50/6.70  % SZS status Theorem
% 6.50/6.70  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 6.50/6.70  SPASS derived 3737 clauses, backtracked 0 clauses, performed 0 splits and kept 3321 clauses.
% 6.50/6.70  SPASS allocated 70666 KBytes.
% 6.50/6.70  SPASS spent	0:00:06.30 on the problem.
% 6.50/6.70  		0:00:00.03 for the input.
% 6.50/6.70  		0:00:00.00 for the FLOTTER CNF translation.
% 6.50/6.70  		0:00:00.45 for inferences.
% 6.50/6.70  		0:00:00.00 for the backtracking.
% 6.50/6.70  		0:00:05.45 for the reduction.
% 6.50/6.70  
% 6.50/6.70  
% 6.50/6.70  Here is a proof with depth 19, length 28 :
% 6.50/6.70  % SZS output start Refutation
% See solution above
% 6.50/6.70  Formulae used in the proof : rule_1 rewrite_top rewrite_left rewrite_right rewrite_sequence_zero rewrite_sequence_succ prove
% 6.50/6.70  
%------------------------------------------------------------------------------