TSTP Solution File: SYN170-10 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : SYN170-10 : TPTP v8.1.0. Released v7.5.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n013.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 12:19:11 EDT 2022

% Result   : Unsatisfiable 0.73s 0.88s
% Output   : Refutation 0.73s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :    9
%            Number of leaves      :    7
% Syntax   : Number of clauses     :   16 (  16 unt;   0 nHn;  16 RR)
%            Number of literals    :   16 (   0 equ;   1 neg)
%            Maximal clause size   :    1 (   1 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    2 (   1 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   6 con; 0-4 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    equal(ifeq(u,u,v,w),v),
    file('SYN170-10.p',unknown),
    [] ).

cnf(15,axiom,
    equal(p0(b,u),true__dfg),
    file('SYN170-10.p',unknown),
    [] ).

cnf(122,axiom,
    equal(ifeq(p0(u,v),true__dfg,p1(v,v,v),true__dfg),true__dfg),
    file('SYN170-10.p',unknown),
    [] ).

cnf(173,axiom,
    equal(ifeq(p1(u,v,w),true__dfg,n2(w),true__dfg),true__dfg),
    file('SYN170-10.p',unknown),
    [] ).

cnf(278,axiom,
    equal(ifeq(n2(u),true__dfg,p3(u,u,u),true__dfg),true__dfg),
    file('SYN170-10.p',unknown),
    [] ).

cnf(323,axiom,
    equal(ifeq(p3(u,u,v),true__dfg,p4(v,v,v),true__dfg),true__dfg),
    file('SYN170-10.p',unknown),
    [] ).

cnf(363,axiom,
    ~ equal(p4(u,c,v),true__dfg),
    file('SYN170-10.p',unknown),
    [] ).

cnf(1233,plain,
    equal(ifeq(true__dfg,true__dfg,p1(u,u,u),true__dfg),true__dfg),
    inference(spr,[status(thm),theory(equality)],[15,122]),
    [iquote('0:SpR:15.0,122.0')] ).

cnf(1235,plain,
    equal(p1(u,u,u),true__dfg),
    inference(rew,[status(thm),theory(equality)],[1,1233]),
    [iquote('0:Rew:1.0,1233.0')] ).

cnf(1271,plain,
    equal(ifeq(true__dfg,true__dfg,n2(u),true__dfg),true__dfg),
    inference(spr,[status(thm),theory(equality)],[1235,173]),
    [iquote('0:SpR:1235.0,173.0')] ).

cnf(1278,plain,
    equal(n2(u),true__dfg),
    inference(rew,[status(thm),theory(equality)],[1,1271]),
    [iquote('0:Rew:1.0,1271.0')] ).

cnf(1281,plain,
    equal(ifeq(true__dfg,true__dfg,p3(u,u,u),true__dfg),true__dfg),
    inference(rew,[status(thm),theory(equality)],[1278,278]),
    [iquote('0:Rew:1278.0,278.0')] ).

cnf(1298,plain,
    equal(p3(u,u,u),true__dfg),
    inference(rew,[status(thm),theory(equality)],[1,1281]),
    [iquote('0:Rew:1.0,1281.0')] ).

cnf(1735,plain,
    equal(ifeq(true__dfg,true__dfg,p4(u,u,u),true__dfg),true__dfg),
    inference(spr,[status(thm),theory(equality)],[1298,323]),
    [iquote('0:SpR:1298.0,323.0')] ).

cnf(1736,plain,
    equal(p4(u,u,u),true__dfg),
    inference(rew,[status(thm),theory(equality)],[1,1735]),
    [iquote('0:Rew:1.0,1735.0')] ).

cnf(1737,plain,
    $false,
    inference(unc,[status(thm)],[1736,363]),
    [iquote('0:UnC:1736.0,363.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : SYN170-10 : TPTP v8.1.0. Released v7.5.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.13/0.34  % Computer : n013.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 : Mon Jul 11 18:50:14 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.73/0.88  
% 0.73/0.88  SPASS V 3.9 
% 0.73/0.88  SPASS beiseite: Proof found.
% 0.73/0.88  % SZS status Theorem
% 0.73/0.88  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.73/0.88  SPASS derived 1008 clauses, backtracked 0 clauses, performed 0 splits and kept 608 clauses.
% 0.73/0.88  SPASS allocated 65107 KBytes.
% 0.73/0.88  SPASS spent	0:00:00.51 on the problem.
% 0.73/0.88  		0:00:00.05 for the input.
% 0.73/0.88  		0:00:00.00 for the FLOTTER CNF translation.
% 0.73/0.88  		0:00:00.02 for inferences.
% 0.73/0.88  		0:00:00.00 for the backtracking.
% 0.73/0.88  		0:00:00.36 for the reduction.
% 0.73/0.88  
% 0.73/0.88  
% 0.73/0.88  Here is a proof with depth 2, length 16 :
% 0.73/0.88  % SZS output start Refutation
% See solution above
% 0.73/0.88  Formulae used in the proof : ifeq_axiom axiom_14 rule_085 rule_137 rule_244 rule_291 prove_this
% 0.73/0.88  
%------------------------------------------------------------------------------