TSTP Solution File: PLA011-2 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : PLA011-2 : TPTP v8.1.0. Released v1.1.0.
% 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 : Mon Jul 18 17:32:18 EDT 2022

% Result   : Unsatisfiable 0.18s 0.41s
% Output   : Refutation 0.18s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   21
% Syntax   : Number of clauses     :   42 (  12 unt;   0 nHn;  42 RR)
%            Number of literals    :  121 (   0 equ;  99 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,b),on(d,c)),u),
    file('PLA011-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ holds(u,v)
    | ~ holds(w,v)
    | holds(and__dfg(w,u),v) ),
    file('PLA011-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ differ(u,table)
    | ~ holds(empty,v)
    | ~ holds(clear(u),v)
    | holds(holding(u),do(pickup(u),v)) ),
    file('PLA011-2.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('PLA011-2.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ differ(u,v)
    | ~ holds(on(u,w),x)
    | holds(on(u,w),do(pickup(v),x)) ),
    file('PLA011-2.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ differ(u,v)
    | ~ holds(clear(u),w)
    | holds(clear(u),do(pickup(v),w)) ),
    file('PLA011-2.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(w),v)
    | holds(empty,do(putdown(w,u),v)) ),
    file('PLA011-2.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(w),v)
    | holds(on(w,u),do(putdown(w,u),v)) ),
    file('PLA011-2.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(w),v)
    | holds(clear(w),do(putdown(w,u),v)) ),
    file('PLA011-2.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ holds(on(u,v),w)
    | holds(on(u,v),do(putdown(x,y),w)) ),
    file('PLA011-2.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ differ(u,v)
    | ~ holds(clear(u),w)
    | holds(clear(u),do(putdown(x,v),w)) ),
    file('PLA011-2.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ differ(u,v)
    | differ(v,u) ),
    file('PLA011-2.p',unknown),
    [] ).

cnf(17,axiom,
    differ(b,c),
    file('PLA011-2.p',unknown),
    [] ).

cnf(18,axiom,
    differ(b,d),
    file('PLA011-2.p',unknown),
    [] ).

cnf(20,axiom,
    differ(c,d),
    file('PLA011-2.p',unknown),
    [] ).

cnf(21,axiom,
    differ(c,table),
    file('PLA011-2.p',unknown),
    [] ).

cnf(22,axiom,
    differ(d,table),
    file('PLA011-2.p',unknown),
    [] ).

cnf(25,axiom,
    holds(on(c,d),s0),
    file('PLA011-2.p',unknown),
    [] ).

cnf(28,axiom,
    holds(clear(b),s0),
    file('PLA011-2.p',unknown),
    [] ).

cnf(29,axiom,
    holds(clear(c),s0),
    file('PLA011-2.p',unknown),
    [] ).

cnf(30,axiom,
    holds(empty,s0),
    file('PLA011-2.p',unknown),
    [] ).

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

cnf(38,plain,
    differ(d,b),
    inference(res,[status(thm),theory(equality)],[18,12]),
    [iquote('0:Res:18.0,12.0')] ).

cnf(54,plain,
    ( ~ holds(on(c,b),u)
    | ~ holds(on(d,c),do(putdown(v,w),u)) ),
    inference(res,[status(thm),theory(equality)],[10,32]),
    [iquote('0:Res:10.1,32.1')] ).

cnf(59,plain,
    ( ~ holds(clear(c),u)
    | ~ holds(holding(d),u)
    | ~ holds(on(c,b),u) ),
    inference(res,[status(thm),theory(equality)],[8,54]),
    [iquote('0:Res:8.2,54.1')] ).

cnf(61,plain,
    ( ~ differ(c,u)
    | ~ holds(on(c,b),v)
    | ~ holds(clear(c),do(pickup(u),v))
    | ~ holds(holding(d),do(pickup(u),v)) ),
    inference(res,[status(thm),theory(equality)],[5,59]),
    [iquote('0:Res:5.2,59.2')] ).

cnf(68,plain,
    ( ~ differ(d,table)
    | ~ holds(empty,u)
    | ~ holds(clear(d),u)
    | ~ differ(c,d)
    | ~ holds(on(c,b),u)
    | ~ holds(clear(c),do(pickup(d),u)) ),
    inference(res,[status(thm),theory(equality)],[3,61]),
    [iquote('0:Res:3.3,61.3')] ).

cnf(69,plain,
    ( ~ holds(empty,u)
    | ~ holds(clear(d),u)
    | ~ holds(on(c,b),u)
    | ~ holds(clear(c),do(pickup(d),u)) ),
    inference(mrr,[status(thm)],[68,22,20]),
    [iquote('0:MRR:68.0,68.3,22.0,20.0')] ).

cnf(70,plain,
    ( ~ differ(c,d)
    | ~ holds(clear(c),u)
    | ~ holds(empty,u)
    | ~ holds(clear(d),u)
    | ~ holds(on(c,b),u) ),
    inference(res,[status(thm),theory(equality)],[6,69]),
    [iquote('0:Res:6.2,69.3')] ).

cnf(72,plain,
    ( ~ holds(clear(c),u)
    | ~ holds(empty,u)
    | ~ holds(clear(d),u)
    | ~ holds(on(c,b),u) ),
    inference(mrr,[status(thm)],[70,20]),
    [iquote('0:MRR:70.0,20.0')] ).

cnf(76,plain,
    ( ~ holds(clear(b),u)
    | ~ holds(holding(c),u)
    | ~ holds(clear(c),do(putdown(c,b),u))
    | ~ holds(empty,do(putdown(c,b),u))
    | ~ holds(clear(d),do(putdown(c,b),u)) ),
    inference(res,[status(thm),theory(equality)],[8,72]),
    [iquote('0:Res:8.2,72.3')] ).

cnf(77,plain,
    ( ~ holds(clear(b),u)
    | ~ holds(holding(c),u)
    | ~ holds(clear(d),do(putdown(c,b),u)) ),
    inference(mrr,[status(thm)],[76,9,7]),
    [iquote('0:MRR:76.2,76.3,9.2,7.2')] ).

cnf(78,plain,
    ( ~ differ(d,b)
    | ~ holds(clear(d),u)
    | ~ holds(clear(b),u)
    | ~ holds(holding(c),u) ),
    inference(res,[status(thm),theory(equality)],[11,77]),
    [iquote('0:Res:11.2,77.2')] ).

cnf(79,plain,
    ( ~ holds(clear(d),u)
    | ~ holds(clear(b),u)
    | ~ holds(holding(c),u) ),
    inference(mrr,[status(thm)],[78,38]),
    [iquote('0:MRR:78.0,38.0')] ).

cnf(82,plain,
    ( ~ differ(c,table)
    | ~ holds(empty,u)
    | ~ holds(clear(c),u)
    | ~ holds(clear(d),do(pickup(c),u))
    | ~ holds(clear(b),do(pickup(c),u)) ),
    inference(res,[status(thm),theory(equality)],[3,79]),
    [iquote('0:Res:3.3,79.2')] ).

cnf(83,plain,
    ( ~ holds(empty,u)
    | ~ holds(clear(c),u)
    | ~ holds(clear(d),do(pickup(c),u))
    | ~ holds(clear(b),do(pickup(c),u)) ),
    inference(mrr,[status(thm)],[82,21]),
    [iquote('0:MRR:82.0,21.0')] ).

cnf(92,plain,
    ( ~ differ(b,c)
    | ~ holds(clear(b),u)
    | ~ holds(empty,u)
    | ~ holds(clear(c),u)
    | ~ holds(clear(d),do(pickup(c),u)) ),
    inference(res,[status(thm),theory(equality)],[6,83]),
    [iquote('0:Res:6.2,83.3')] ).

cnf(94,plain,
    ( ~ holds(clear(b),u)
    | ~ holds(empty,u)
    | ~ holds(clear(c),u)
    | ~ holds(clear(d),do(pickup(c),u)) ),
    inference(mrr,[status(thm)],[92,17]),
    [iquote('0:MRR:92.0,17.0')] ).

cnf(97,plain,
    ( ~ holds(empty,u)
    | ~ holds(clear(c),u)
    | ~ holds(on(c,d),u)
    | ~ holds(clear(b),u)
    | ~ holds(empty,u)
    | ~ holds(clear(c),u) ),
    inference(res,[status(thm),theory(equality)],[4,94]),
    [iquote('0:Res:4.3,94.3')] ).

cnf(99,plain,
    ( ~ holds(on(c,d),u)
    | ~ holds(clear(b),u)
    | ~ holds(empty,u)
    | ~ holds(clear(c),u) ),
    inference(obv,[status(thm),theory(equality)],[97]),
    [iquote('0:Obv:97.1')] ).

cnf(107,plain,
    ( ~ holds(clear(b),s0)
    | ~ holds(empty,s0)
    | ~ holds(clear(c),s0) ),
    inference(res,[status(thm),theory(equality)],[25,99]),
    [iquote('0:Res:25.0,99.0')] ).

cnf(111,plain,
    $false,
    inference(mrr,[status(thm)],[107,28,30,29]),
    [iquote('0:MRR:107.0,107.1,107.2,28.0,30.0,29.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.11/0.12  % Problem  : PLA011-2 : TPTP v8.1.0. Released v1.1.0.
% 0.11/0.12  % Command  : run_spass %d %s
% 0.12/0.33  % Computer : n021.cluster.edu
% 0.12/0.33  % Model    : x86_64 x86_64
% 0.12/0.33  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.12/0.33  % Memory   : 8042.1875MB
% 0.12/0.33  % OS       : Linux 3.10.0-693.el7.x86_64
% 0.12/0.33  % CPULimit : 300
% 0.12/0.33  % WCLimit  : 600
% 0.12/0.33  % DateTime : Tue May 31 20:58:15 EDT 2022
% 0.12/0.33  % CPUTime  : 
% 0.18/0.41  
% 0.18/0.41  SPASS V 3.9 
% 0.18/0.41  SPASS beiseite: Proof found.
% 0.18/0.41  % SZS status Theorem
% 0.18/0.41  Problem: /export/starexec/sandbox2/benchmark/theBenchmark.p 
% 0.18/0.41  SPASS derived 62 clauses, backtracked 0 clauses, performed 0 splits and kept 78 clauses.
% 0.18/0.41  SPASS allocated 63224 KBytes.
% 0.18/0.41  SPASS spent	0:00:00.07 on the problem.
% 0.18/0.41  		0:00:00.03 for the input.
% 0.18/0.41  		0:00:00.00 for the FLOTTER CNF translation.
% 0.18/0.41  		0:00:00.00 for inferences.
% 0.18/0.41  		0:00:00.00 for the backtracking.
% 0.18/0.41  		0:00:00.01 for the reduction.
% 0.18/0.41  
% 0.18/0.41  
% 0.18/0.41  Here is a proof with depth 12, length 42 :
% 0.18/0.41  % SZS output start Refutation
% See solution above
% 0.18/0.41  Formulae used in the proof : prove_DCB and_definition pickup_1 pickup_2 pickup_3 pickup_4 putdown_1 putdown_2 putdown_3 putdown_4 putdown_5 symmetry_of_differ differ_b_c differ_b_d differ_c_d differ_c_table differ_d_table initial_state3 initial_state6 initial_state7 initial_state8
% 0.18/0.41  
%------------------------------------------------------------------------------