TSTP Solution File: PLA002-2 by SPASS---3.9

View Problem - Process Solution

%------------------------------------------------------------------------------
% File     : SPASS---3.9
% Problem  : PLA002-2 : TPTP v8.1.0. Released v1.0.0.
% 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 17:32:17 EDT 2022

% Result   : Unsatisfiable 0.19s 0.41s
% Output   : Refutation 0.19s
% Verified : 
% SZS Type : Refutation
%            Derivation depth      :   10
%            Number of leaves      :   13
% Syntax   : Number of clauses     :   33 (   6 unt;   1 nHn;  33 RR)
%            Number of literals    :   77 (   0 equ;  58 neg)
%            Maximal clause size   :    4 (   2 avg)
%            Maximal term depth    :    2 (   1 avg)
%            Number of predicates  :    5 (   4 usr;   1 prp; 0-2 aty)
%            Number of functors    :   12 (  12 usr;   8 con; 0-2 aty)
%            Number of variables   :    0 (   0 sgn)

% Comments : 
%------------------------------------------------------------------------------
cnf(1,axiom,
    ( ~ situation(u)
    | ~ situation(v)
    | cold(u)
    | warm(v) ),
    file('PLA002-2.p',unknown),
    [] ).

cnf(5,axiom,
    ( ~ situation(u)
    | ~ at(b,u)
    | at(a,drive(a,u)) ),
    file('PLA002-2.p',unknown),
    [] ).

cnf(7,axiom,
    ( ~ situation(u)
    | ~ cold(u)
    | ~ at(c,u)
    | at(b,skate(b,u)) ),
    file('PLA002-2.p',unknown),
    [] ).

cnf(9,axiom,
    ( ~ situation(u)
    | ~ warm(u)
    | ~ at(d,u)
    | at(b,climb(b,u)) ),
    file('PLA002-2.p',unknown),
    [] ).

cnf(11,axiom,
    ( ~ situation(u)
    | ~ at(d,u)
    | at(c,go(c,u)) ),
    file('PLA002-2.p',unknown),
    [] ).

cnf(15,axiom,
    ( ~ situation(u)
    | ~ at(f,u)
    | at(d,go(d,u)) ),
    file('PLA002-2.p',unknown),
    [] ).

cnf(16,axiom,
    situation(s0),
    file('PLA002-2.p',unknown),
    [] ).

cnf(18,axiom,
    ( ~ situation(u)
    | situation(drive(v,u)) ),
    file('PLA002-2.p',unknown),
    [] ).

cnf(19,axiom,
    ( ~ situation(u)
    | situation(climb(v,u)) ),
    file('PLA002-2.p',unknown),
    [] ).

cnf(20,axiom,
    ( ~ situation(u)
    | situation(skate(v,u)) ),
    file('PLA002-2.p',unknown),
    [] ).

cnf(21,axiom,
    ( ~ situation(u)
    | situation(go(v,u)) ),
    file('PLA002-2.p',unknown),
    [] ).

cnf(22,axiom,
    at(f,s0),
    file('PLA002-2.p',unknown),
    [] ).

cnf(23,axiom,
    ( ~ situation(u)
    | ~ at(a,u) ),
    file('PLA002-2.p',unknown),
    [] ).

cnf(33,plain,
    ( ~ situation(u)
    | warm(u) ),
    inference(spt,[spt(split,[position(s1)])],[1]),
    [iquote('1:Spt:1.1,1.3')] ).

cnf(34,plain,
    ( ~ situation(u)
    | ~ at(d,u)
    | at(b,climb(b,u)) ),
    inference(mrr,[status(thm)],[9,33]),
    [iquote('1:MRR:9.1,33.1')] ).

cnf(36,plain,
    ( ~ situation(u)
    | ~ situation(drive(a,u))
    | ~ at(b,u) ),
    inference(res,[status(thm),theory(equality)],[5,23]),
    [iquote('0:Res:5.2,23.1')] ).

cnf(37,plain,
    ( ~ situation(u)
    | ~ at(b,u) ),
    inference(ssi,[status(thm)],[36,18]),
    [iquote('0:SSi:36.1,18.1')] ).

cnf(38,plain,
    ( ~ situation(u)
    | ~ situation(climb(b,u))
    | ~ at(d,u) ),
    inference(res,[status(thm),theory(equality)],[34,37]),
    [iquote('1:Res:34.2,37.1')] ).

cnf(39,plain,
    ( ~ situation(u)
    | ~ at(d,u) ),
    inference(ssi,[status(thm)],[38,19]),
    [iquote('1:SSi:38.1,19.1')] ).

cnf(41,plain,
    ( ~ situation(u)
    | ~ situation(go(d,u))
    | ~ at(f,u) ),
    inference(res,[status(thm),theory(equality)],[15,39]),
    [iquote('1:Res:15.2,39.1')] ).

cnf(43,plain,
    ( ~ situation(u)
    | ~ at(f,u) ),
    inference(ssi,[status(thm)],[41,21]),
    [iquote('1:SSi:41.1,21.1')] ).

cnf(46,plain,
    ~ situation(s0),
    inference(res,[status(thm),theory(equality)],[22,43]),
    [iquote('1:Res:22.0,43.1')] ).

cnf(47,plain,
    $false,
    inference(ssi,[status(thm)],[46,16]),
    [iquote('1:SSi:46.0,16.0')] ).

cnf(48,plain,
    ( ~ situation(u)
    | cold(u) ),
    inference(spt,[spt(split,[position(s2)])],[1]),
    [iquote('1:Spt:47.0,1.0,1.2')] ).

cnf(49,plain,
    ( ~ situation(u)
    | ~ at(c,u)
    | at(b,skate(b,u)) ),
    inference(mrr,[status(thm)],[7,48]),
    [iquote('1:MRR:7.1,48.1')] ).

cnf(50,plain,
    ( ~ situation(u)
    | ~ situation(skate(b,u))
    | ~ at(c,u) ),
    inference(res,[status(thm),theory(equality)],[49,37]),
    [iquote('1:Res:49.2,37.1')] ).

cnf(51,plain,
    ( ~ situation(u)
    | ~ at(c,u) ),
    inference(ssi,[status(thm)],[50,20]),
    [iquote('1:SSi:50.1,20.1')] ).

cnf(53,plain,
    ( ~ situation(u)
    | ~ situation(go(c,u))
    | ~ at(d,u) ),
    inference(res,[status(thm),theory(equality)],[11,51]),
    [iquote('1:Res:11.2,51.1')] ).

cnf(55,plain,
    ( ~ situation(u)
    | ~ at(d,u) ),
    inference(ssi,[status(thm)],[53,21]),
    [iquote('1:SSi:53.1,21.1')] ).

cnf(56,plain,
    ( ~ situation(u)
    | ~ situation(go(d,u))
    | ~ at(f,u) ),
    inference(res,[status(thm),theory(equality)],[15,55]),
    [iquote('1:Res:15.2,55.1')] ).

cnf(57,plain,
    ( ~ situation(u)
    | ~ at(f,u) ),
    inference(ssi,[status(thm)],[56,21]),
    [iquote('1:SSi:56.1,21.1')] ).

cnf(58,plain,
    ~ situation(s0),
    inference(res,[status(thm),theory(equality)],[22,57]),
    [iquote('1:Res:22.0,57.1')] ).

cnf(59,plain,
    $false,
    inference(ssi,[status(thm)],[58,16]),
    [iquote('1:SSi:58.0,16.0')] ).

%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.07/0.12  % Problem  : PLA002-2 : TPTP v8.1.0. Released v1.0.0.
% 0.07/0.13  % Command  : run_spass %d %s
% 0.12/0.34  % Computer : n021.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 19:31:45 EDT 2022
% 0.12/0.34  % 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 15 clauses, backtracked 10 clauses, performed 1 splits and kept 45 clauses.
% 0.19/0.41  SPASS allocated 75643 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 5, length 33 :
% 0.19/0.41  % SZS output start Refutation
% See solution above
% 0.19/0.41  Formulae used in the proof : warm_or_cold drive_b_to_a cross_river_c_to_b climb_mountain_d_to_b go_d_to_c go_f_to_d initial_situation drive_situation climb_situation skate_situation go_situation initial prove_you_can_get_to_a_in_a_situation
% 0.19/0.41  
%------------------------------------------------------------------------------