TSTP Solution File: PLA019-1 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : PLA019-1 : TPTP v8.1.0. Released v1.1.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n022.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 17:32:20 EDT 2022

% Result   : Unsatisfiable 0.19s 0.41s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   16
%            Number of leaves      :   15
% Syntax   : Number of clauses     :   31 (   9 unt;   0 nHn;  31 RR)
%            Number of literals    :   83 (   0 equ;  68 neg)
%            Maximal clause size   :    5 (   2 avg)
%            Maximal term depth    :    3 (   1 avg)
%            Number of predicates  :    3 (   2 usr;   1 prp; 0-2 aty)
%            Number of functors    :   15 (  15 usr;   9 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ~ holds(on(d,c),u),
    file('PLA019-1.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ differ(u,table)
    | ~ holds(empty,v)
    | ~ holds(clear(u),v)
    | holds(holding(u),do(pickup(u),v)) ),
    file('PLA019-1.p',unknown),
    [] ).

cnf(4,axiom,
    ( ~ holds(empty,u)
    | ~ holds(clear(v),u)
    | ~ holds(on(v,w),u)
    | holds(clear(w),do(pickup(v),u)) ),
    file('PLA019-1.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ differ(u,v)
    | ~ holds(clear(u),w)
    | holds(clear(u),do(pickup(v),w)) ),
    file('PLA019-1.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(w),v)
    | holds(empty,do(putdown(w,u),v)) ),
    file('PLA019-1.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(w),v)
    | holds(on(w,u),do(putdown(w,u),v)) ),
    file('PLA019-1.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(w),v)
    | holds(clear(w),do(putdown(w,u),v)) ),
    file('PLA019-1.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ differ(u,v)
    | ~ holds(clear(u),w)
    | holds(clear(u),do(putdown(x,v),w)) ),
    file('PLA019-1.p',unknown),
    [] ).

cnf(20,axiom,
    differ(c,d),
    file('PLA019-1.p',unknown),
    [] ).

cnf(21,axiom,
    differ(c,table),
    file('PLA019-1.p',unknown),
    [] ).

cnf(22,axiom,
    differ(d,table),
    file('PLA019-1.p',unknown),
    [] ).

cnf(25,axiom,
    holds(on(c,d),s0),
    file('PLA019-1.p',unknown),
    [] ).

cnf(29,axiom,
    holds(clear(c),s0),
    file('PLA019-1.p',unknown),
    [] ).

cnf(30,axiom,
    holds(empty,s0),
    file('PLA019-1.p',unknown),
    [] ).

cnf(31,axiom,
    holds(clear(table),u),
    file('PLA019-1.p',unknown),
    [] ).

cnf(34,plain,
    ( ~ holds(clear(c),u)
    | ~ holds(holding(d),u) ),
    inference(res,[status(thm),theory(equality)],[8,1]),
    [iquote('0:Res:8.2,1.0')] ).

cnf(58,plain,
    ( ~ differ(d,table)
    | ~ holds(empty,u)
    | ~ holds(clear(d),u)
    | ~ holds(clear(c),do(pickup(d),u)) ),
    inference(res,[status(thm),theory(equality)],[3,34]),
    [iquote('0:Res:3.3,34.1')] ).

cnf(59,plain,
    ( ~ holds(empty,u)
    | ~ holds(clear(d),u)
    | ~ holds(clear(c),do(pickup(d),u)) ),
    inference(mrr,[status(thm)],[58,22]),
    [iquote('0:MRR:58.0,22.0')] ).

cnf(60,plain,
    ( ~ differ(c,d)
    | ~ holds(clear(c),u)
    | ~ holds(empty,u)
    | ~ holds(clear(d),u) ),
    inference(res,[status(thm),theory(equality)],[6,59]),
    [iquote('0:Res:6.2,59.2')] ).

cnf(61,plain,
    ( ~ holds(clear(c),u)
    | ~ holds(empty,u)
    | ~ holds(clear(d),u) ),
    inference(mrr,[status(thm)],[60,20]),
    [iquote('0:MRR:60.0,20.0')] ).

cnf(63,plain,
    ( ~ differ(d,u)
    | ~ holds(clear(d),v)
    | ~ holds(clear(c),do(putdown(w,u),v))
    | ~ holds(empty,do(putdown(w,u),v)) ),
    inference(res,[status(thm),theory(equality)],[11,61]),
    [iquote('0:Res:11.2,61.2')] ).

cnf(73,plain,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(c),v)
    | ~ differ(d,u)
    | ~ holds(clear(d),v)
    | ~ holds(empty,do(putdown(c,u),v)) ),
    inference(res,[status(thm),theory(equality)],[9,63]),
    [iquote('0:Res:9.2,63.2')] ).

cnf(74,plain,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(c),v)
    | ~ differ(d,u)
    | ~ holds(clear(d),v) ),
    inference(mrr,[status(thm)],[73,7]),
    [iquote('0:MRR:73.4,7.2')] ).

cnf(78,plain,
    ( ~ holds(holding(c),u)
    | ~ differ(d,table)
    | ~ holds(clear(d),u) ),
    inference(res,[status(thm),theory(equality)],[31,74]),
    [iquote('0:Res:31.0,74.0')] ).

cnf(84,plain,
    ( ~ holds(holding(c),u)
    | ~ holds(clear(d),u) ),
    inference(mrr,[status(thm)],[78,22]),
    [iquote('0:MRR:78.1,22.0')] ).

cnf(88,plain,
    ( ~ differ(c,table)
    | ~ holds(empty,u)
    | ~ holds(clear(c),u)
    | ~ holds(clear(d),do(pickup(c),u)) ),
    inference(res,[status(thm),theory(equality)],[3,84]),
    [iquote('0:Res:3.3,84.0')] ).

cnf(89,plain,
    ( ~ holds(empty,u)
    | ~ holds(clear(c),u)
    | ~ holds(clear(d),do(pickup(c),u)) ),
    inference(mrr,[status(thm)],[88,21]),
    [iquote('0:MRR:88.0,21.0')] ).

cnf(91,plain,
    ( ~ holds(empty,u)
    | ~ holds(clear(c),u)
    | ~ holds(on(c,d),u)
    | ~ holds(empty,u)
    | ~ holds(clear(c),u) ),
    inference(res,[status(thm),theory(equality)],[4,89]),
    [iquote('0:Res:4.3,89.2')] ).

cnf(92,plain,
    ( ~ holds(on(c,d),u)
    | ~ holds(empty,u)
    | ~ holds(clear(c),u) ),
    inference(obv,[status(thm),theory(equality)],[91]),
    [iquote('0:Obv:91.1')] ).

cnf(93,plain,
    ( ~ holds(empty,s0)
    | ~ holds(clear(c),s0) ),
    inference(res,[status(thm),theory(equality)],[25,92]),
    [iquote('0:Res:25.0,92.0')] ).

cnf(97,plain,
    $false,
    inference(mrr,[status(thm)],[93,30,29]),
    [iquote('0:MRR:93.0,93.1,30.0,29.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.03/0.12  % Problem  : PLA019-1 : TPTP v8.1.0. Released v1.1.0.
% 0.03/0.12  % Command  : run_spass %d %s
% 0.13/0.33  % Computer : n022.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 23:20:37 EDT 2022
% 0.13/0.33  % 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 55 clauses, backtracked 0 clauses, performed 0 splits and kept 61 clauses.
% 0.19/0.41  SPASS allocated 63198 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 9, length 31 :
% 0.19/0.41  % SZS output start Refutation
% See solution above
% 0.19/0.41  Formulae used in the proof : prove_DC pickup_1 pickup_2 pickup_4 putdown_1 putdown_2 putdown_3 putdown_5 differ_c_d differ_c_table differ_d_table initial_state3 initial_state7 initial_state8 clear_table
% 0.19/0.41  
%------------------------------------------------------------------------------