TSTP Solution File: PLA004-2 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : PLA004-2 : TPTP v8.1.0. Released v1.1.0.
% Transfm  : none
% Format   : tptp
% Command  : run_spass %d %s

% Computer : n023.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 17:32:17 EDT 2022

% Result   : Unsatisfiable 0.20s 0.42s
% Output   : Refutation 0.20s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   20
%            Number of leaves      :   20
% Syntax   : Number of clauses     :   42 (  13 unt;   0 nHn;  42 RR)
%            Number of literals    :  117 (   0 equ;  95 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(b,a),on(c,b)),u),
    file('PLA004-2.p',unknown),
    [] ).

cnf(2,axiom,
    ( ~ holds(u,v)
    | ~ holds(w,v)
    | holds(and__dfg(w,u),v) ),
    file('PLA004-2.p',unknown),
    [] ).

cnf(3,axiom,
    ( ~ differ(u,table)
    | ~ holds(empty,v)
    | ~ holds(clear(u),v)
    | holds(holding(u),do(pickup(u),v)) ),
    file('PLA004-2.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ differ(u,v)
    | ~ holds(on(u,w),x)
    | holds(on(u,w),do(pickup(v),x)) ),
    file('PLA004-2.p',unknown),
    [] ).

cnf(6,axiom,
    ( ~ differ(u,v)
    | ~ holds(clear(u),w)
    | holds(clear(u),do(pickup(v),w)) ),
    file('PLA004-2.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(w),v)
    | holds(empty,do(putdown(w,u),v)) ),
    file('PLA004-2.p',unknown),
    [] ).

cnf(8,axiom,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(w),v)
    | holds(on(w,u),do(putdown(w,u),v)) ),
    file('PLA004-2.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ holds(clear(u),v)
    | ~ holds(holding(w),v)
    | holds(clear(w),do(putdown(w,u),v)) ),
    file('PLA004-2.p',unknown),
    [] ).

cnf(10,axiom,
    ( ~ holds(on(u,v),w)
    | holds(on(u,v),do(putdown(x,y),w)) ),
    file('PLA004-2.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ differ(u,v)
    | ~ holds(clear(u),w)
    | holds(clear(u),do(putdown(x,v),w)) ),
    file('PLA004-2.p',unknown),
    [] ).

cnf(12,axiom,
    ( ~ differ(u,v)
    | differ(v,u) ),
    file('PLA004-2.p',unknown),
    [] ).

cnf(13,axiom,
    differ(a,b),
    file('PLA004-2.p',unknown),
    [] ).

cnf(14,axiom,
    differ(a,c),
    file('PLA004-2.p',unknown),
    [] ).

cnf(17,axiom,
    differ(b,c),
    file('PLA004-2.p',unknown),
    [] ).

cnf(19,axiom,
    differ(b,table),
    file('PLA004-2.p',unknown),
    [] ).

cnf(21,axiom,
    differ(c,table),
    file('PLA004-2.p',unknown),
    [] ).

cnf(27,axiom,
    holds(clear(a),s0),
    file('PLA004-2.p',unknown),
    [] ).

cnf(28,axiom,
    holds(clear(b),s0),
    file('PLA004-2.p',unknown),
    [] ).

cnf(29,axiom,
    holds(clear(c),s0),
    file('PLA004-2.p',unknown),
    [] ).

cnf(30,axiom,
    holds(empty,s0),
    file('PLA004-2.p',unknown),
    [] ).

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

cnf(40,plain,
    differ(c,b),
    inference(res,[status(thm),theory(equality)],[17,12]),
    [iquote('0:Res:17.0,12.0')] ).

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

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

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

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

cnf(69,plain,
    ( ~ holds(empty,u)
    | ~ holds(clear(c),u)
    | ~ holds(on(b,a),u)
    | ~ holds(clear(b),do(pickup(c),u)) ),
    inference(mrr,[status(thm)],[68,21,17]),
    [iquote('0:MRR:68.0,68.3,21.0,17.0')] ).

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

cnf(72,plain,
    ( ~ holds(clear(b),u)
    | ~ holds(empty,u)
    | ~ holds(clear(c),u)
    | ~ holds(on(b,a),u) ),
    inference(mrr,[status(thm)],[70,17]),
    [iquote('0:MRR:70.0,17.0')] ).

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

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

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

cnf(79,plain,
    ( ~ holds(clear(c),u)
    | ~ holds(clear(a),u)
    | ~ holds(holding(b),u) ),
    inference(mrr,[status(thm)],[78,41]),
    [iquote('0:MRR:78.0,41.0')] ).

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

cnf(83,plain,
    ( ~ holds(empty,u)
    | ~ holds(clear(b),u)
    | ~ holds(clear(c),do(pickup(b),u))
    | ~ holds(clear(a),do(pickup(b),u)) ),
    inference(mrr,[status(thm)],[82,19]),
    [iquote('0:MRR:82.0,19.0')] ).

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

cnf(94,plain,
    ( ~ holds(clear(a),u)
    | ~ holds(empty,u)
    | ~ holds(clear(b),u)
    | ~ holds(clear(c),do(pickup(b),u)) ),
    inference(mrr,[status(thm)],[92,13]),
    [iquote('0:MRR:92.0,13.0')] ).

cnf(96,plain,
    ( ~ differ(c,b)
    | ~ holds(clear(c),u)
    | ~ holds(clear(a),u)
    | ~ holds(empty,u)
    | ~ holds(clear(b),u) ),
    inference(res,[status(thm),theory(equality)],[6,94]),
    [iquote('0:Res:6.2,94.3')] ).

cnf(98,plain,
    ( ~ holds(clear(c),u)
    | ~ holds(clear(a),u)
    | ~ holds(empty,u)
    | ~ holds(clear(b),u) ),
    inference(mrr,[status(thm)],[96,40]),
    [iquote('0:MRR:96.0,40.0')] ).

cnf(100,plain,
    ( ~ holds(clear(c),s0)
    | ~ holds(clear(a),s0)
    | ~ holds(empty,s0) ),
    inference(res,[status(thm),theory(equality)],[28,98]),
    [iquote('0:Res:28.0,98.3')] ).

cnf(105,plain,
    $false,
    inference(mrr,[status(thm)],[100,29,27,30]),
    [iquote('0:MRR:100.0,100.1,100.2,29.0,27.0,30.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : PLA004-2 : TPTP v8.1.0. Released v1.1.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n023.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 : Tue May 31 22:56:41 EDT 2022
% 0.12/0.34  % CPUTime  : 
% 0.20/0.42  
% 0.20/0.42  SPASS V 3.9 
% 0.20/0.42  SPASS beiseite: Proof found.
% 0.20/0.42  % SZS status Theorem
% 0.20/0.42  Problem: /export/starexec/sandbox/benchmark/theBenchmark.p 
% 0.20/0.42  SPASS derived 58 clauses, backtracked 0 clauses, performed 0 splits and kept 74 clauses.
% 0.20/0.42  SPASS allocated 63214 KBytes.
% 0.20/0.42  SPASS spent	0:00:00.07 on the problem.
% 0.20/0.42  		0:00:00.04 for the input.
% 0.20/0.42  		0:00:00.00 for the FLOTTER CNF translation.
% 0.20/0.42  		0:00:00.00 for inferences.
% 0.20/0.42  		0:00:00.00 for the backtracking.
% 0.20/0.42  		0:00:00.01 for the reduction.
% 0.20/0.42  
% 0.20/0.42  
% 0.20/0.42  Here is a proof with depth 12, length 42 :
% 0.20/0.42  % SZS output start Refutation
% See solution above
% 0.20/0.42  Formulae used in the proof : prove_CBA and_definition pickup_1 pickup_3 pickup_4 putdown_1 putdown_2 putdown_3 putdown_4 putdown_5 symmetry_of_differ differ_a_b differ_a_c differ_b_c differ_b_table differ_c_table initial_state5 initial_state6 initial_state7 initial_state8
% 0.20/0.42  
%------------------------------------------------------------------------------