TSTP Solution File: PLA022-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : PLA022-1 : TPTP v8.1.0. Released v1.1.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n028.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 : Mon Jul 18 17:32:21 EDT 2022

% Result   : Unsatisfiable 0.19s 0.41s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   14
% Syntax   : Number of clauses     :   25 (   9 unt;   0 nHn;  25 RR)
%            Number of literals    :   62 (   0 equ;  47 neg)
%            Maximal clause size   :    6 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   18 (  18 usr;  11 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ holds(and__dfg(on(c,d),on(a,c)),u),
    file('PLA022-1.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ holds(u,v)
    | ~ holds(w,v)
    | holds(and__dfg(w,u),v) ),
    file('PLA022-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ differ(u,table)
    | ~ holds(empty,v)
    | ~ holds(clear(u),v)
    | holds(holding(u),do(pickup(u),v)) ),
    file('PLA022-1.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ differ(u,v)
    | ~ holds(on(u,w),x)
    | holds(on(u,w),do(pickup(v),x)) ),
    file('PLA022-1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ differ(u,v)
    | ~ holds(clear(u),w)
    | holds(clear(u),do(pickup(v),w)) ),
    file('PLA022-1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(w),v)
    | holds(on(w,u),do(putdown(w,u),v)) ),
    file('PLA022-1.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ holds(on(u,v),w)
    | holds(on(u,v),do(putdown(x,y),w)) ),
    file('PLA022-1.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ differ(u,v)
    | differ(v,u) ),
    file('PLA022-1.p',unknown),
    [] ).

cnf(14,axiom,
    differ(a,c),
    file('PLA022-1.p',unknown),
    [] ).

cnf(16,axiom,
    differ(a,table),
    file('PLA022-1.p',unknown),
    [] ).

cnf(25,axiom,
    holds(on(c,d),s0),
    file('PLA022-1.p',unknown),
    [] ).

cnf(27,axiom,
    holds(clear(a),s0),
    file('PLA022-1.p',unknown),
    [] ).

cnf(29,axiom,
    holds(clear(c),s0),
    file('PLA022-1.p',unknown),
    [] ).

cnf(30,axiom,
    holds(empty,s0),
    file('PLA022-1.p',unknown),
    [] ).

cnf(32,plain,
    ( ~ holds(on(a,c),u)
    | ~ holds(on(c,d),u) ),
    inference(res,[status(thm),theory(equality)],[2,1]),
    [iquote('0:Res:2.2,1.0')] ).

cnf(41,plain,
    differ(c,a),
    inference(res,[status(thm),theory(equality)],[14,12]),
    [iquote('0:Res:14.0,12.0')] ).

cnf(55,plain,
    ( ~ holds(on(c,d),u)
    | ~ holds(on(a,c),do(putdown(v,w),u)) ),
    inference(res,[status(thm),theory(equality)],[10,32]),
    [iquote('0:Res:10.1,32.1')] ).

cnf(60,plain,
    ( ~ holds(clear(c),u)
    | ~ holds(holding(a),u)
    | ~ holds(on(c,d),u) ),
    inference(res,[status(thm),theory(equality)],[8,55]),
    [iquote('0:Res:8.2,55.1')] ).

cnf(63,plain,
    ( ~ differ(c,u)
    | ~ holds(on(c,d),v)
    | ~ holds(clear(c),do(pickup(u),v))
    | ~ holds(holding(a),do(pickup(u),v)) ),
    inference(res,[status(thm),theory(equality)],[5,60]),
    [iquote('0:Res:5.2,60.2')] ).

cnf(71,plain,
    ( ~ differ(a,table)
    | ~ holds(empty,u)
    | ~ holds(clear(a),u)
    | ~ differ(c,a)
    | ~ holds(on(c,d),u)
    | ~ holds(clear(c),do(pickup(a),u)) ),
    inference(res,[status(thm),theory(equality)],[3,63]),
    [iquote('0:Res:3.3,63.3')] ).

cnf(72,plain,
    ( ~ holds(empty,u)
    | ~ holds(clear(a),u)
    | ~ holds(on(c,d),u)
    | ~ holds(clear(c),do(pickup(a),u)) ),
    inference(mrr,[status(thm)],[71,16,41]),
    [iquote('0:MRR:71.0,71.3,16.0,41.0')] ).

cnf(73,plain,
    ( ~ differ(c,a)
    | ~ holds(clear(c),u)
    | ~ holds(empty,u)
    | ~ holds(clear(a),u)
    | ~ holds(on(c,d),u) ),
    inference(res,[status(thm),theory(equality)],[6,72]),
    [iquote('0:Res:6.2,72.3')] ).

cnf(75,plain,
    ( ~ holds(clear(c),u)
    | ~ holds(empty,u)
    | ~ holds(clear(a),u)
    | ~ holds(on(c,d),u) ),
    inference(mrr,[status(thm)],[73,41]),
    [iquote('0:MRR:73.0,41.0')] ).

cnf(79,plain,
    ( ~ holds(clear(c),s0)
    | ~ holds(empty,s0)
    | ~ holds(clear(a),s0) ),
    inference(res,[status(thm),theory(equality)],[25,75]),
    [iquote('0:Res:25.0,75.3')] ).

cnf(83,plain,
    $false,
    inference(mrr,[status(thm)],[79,29,30,27]),
    [iquote('0:MRR:79.0,79.1,79.2,29.0,30.0,27.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : PLA022-1 : TPTP v8.1.0. Released v1.1.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.13/0.33  % Computer : n028.cluster.edu
% 0.13/0.33  % Model    : x86_64 x86_64
% 0.13/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.13/0.33  % Memory   : 8042.1875MB
% 0.13/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.13/0.33  % CPULimit : 300
% 0.13/0.33  % WCLimit  : 600
% 0.13/0.33  % DateTime : Tue May 31 23:35:06 EDT 2022
% 0.13/0.34  % CPUTime  : 
% 0.19/0.41  
% 0.19/0.41  SPASS V 3.9 
% 0.19/0.41  SPASS beiseite: Proof found.
% 0.19/0.41  % SZS status Theorem
% 0.19/0.41  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.19/0.41  SPASS derived 45 clauses, backtracked 0 clauses, performed 0 splits and kept 62 clauses.
% 0.19/0.41  SPASS allocated 63181 KBytes.
% 0.19/0.41  SPASS spent	0:00:00.06 on the problem.
% 0.19/0.41  		0:00:00.03 for the input.
% 0.19/0.41  		0:00:00.00 for the FLOTTER CNF translation.
% 0.19/0.41  		0:00:00.00 for inferences.
% 0.19/0.41  		0:00:00.00 for the backtracking.
% 0.19/0.41  		0:00:00.00 for the reduction.
% 0.19/0.41  
% 0.19/0.41  
% 0.19/0.41  Here is a proof with depth 7, length 25 :
% 0.19/0.41  % SZS output start Refutation
% See solution above
% 0.19/0.41  Formulae used in the proof : prove_ACD and_definition pickup_1 pickup_3 pickup_4 putdown_2 putdown_4 symmetry_of_differ differ_a_c differ_a_table initial_state3 initial_state5 initial_state7 initial_state8
% 0.19/0.41  
%------------------------------------------------------------------------------