%------------------------------------------------------------------------------
% File : LisaST---0.9
% Problem : PLA002-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n003.cluster.edu
% Model : x86_64 x86_64
% CPU : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory : 8046.5625MB
% OS : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit : 300s
% DateTime : Sun Sep 27 08:20:03 AM UTC 2026
% Result : Unsatisfiable 10.36s 1.77s
% Output : CNFRefutation 10.36s
% Verified :
% SZS Type : Refutation
% Derivation depth : 9
% Number of leaves : 8
% Syntax : Number of clauses : 26 ( 8 unt; 2 nHn; 21 RR)
% Number of literals : 48 ( 0 equ; 28 neg)
% Maximal clause size : 3 ( 1 avg)
% Maximal term depth : 2 ( 1 avg)
% Number of predicates : 4 ( 3 usr; 1 prp; 0-2 aty)
% Number of functors : 10 ( 10 usr; 6 con; 0-2 aty)
% Number of variables : 27 ( 13 sgn)
% Comments :
%------------------------------------------------------------------------------
cnf(warm_or_cold,hypothesis,
( cold(X1)
| warm(X0) ) ).
cnf(walk_b_to_a,hypothesis,
( at(a,walk(a,X0))
| ~ at(b,X0) ) ).
cnf(cross_river_c_to_b,hypothesis,
( at(b,skate(b,X0))
| ~ at(c,X0)
| ~ cold(X0) ) ).
cnf(climb_mountain_d_to_b,hypothesis,
( at(b,climb(b,X0))
| ~ at(d,X0)
| ~ warm(X0) ) ).
cnf(go_d_to_c,hypothesis,
( at(c,go(c,X0))
| ~ at(d,X0) ) ).
cnf(go_f_to_d,hypothesis,
( at(d,go(d,X0))
| ~ at(f,X0) ) ).
cnf(initial,hypothesis,
at(f,s0) ).
cnf(prove_you_can_get_to_a,negated_conjecture,
~ at(a,X0) ).
cnf(c0,plain,
( cold(X1)
| warm(X0) ),
inference(clausification,[status(esa)],[warm_or_cold]) ).
cnf(c3,plain,
( at(a,walk(a,X0))
| ~ at(b,X0) ),
inference(clausification,[status(esa)],[walk_b_to_a]) ).
cnf(c6,plain,
( at(b,skate(b,X0))
| ~ at(c,X0)
| ~ cold(X0) ),
inference(clausification,[status(esa)],[cross_river_c_to_b]) ).
cnf(c8,plain,
( at(b,climb(b,X0))
| ~ at(d,X0)
| ~ warm(X0) ),
inference(clausification,[status(esa)],[climb_mountain_d_to_b]) ).
cnf(c10,plain,
( at(c,go(c,X0))
| ~ at(d,X0) ),
inference(clausification,[status(esa)],[go_d_to_c]) ).
cnf(c14,plain,
( at(d,go(d,X0))
| ~ at(f,X0) ),
inference(clausification,[status(esa)],[go_f_to_d]) ).
cnf(c15,plain,
at(f,s0),
inference(clausification,[status(esa)],[initial]) ).
cnf(c16,plain,
~ at(a,X0),
inference(clausification,[status(esa)],[prove_you_can_get_to_a]) ).
cnf(d0,plain,
~ at(b,X0),
inference(resolution,[status(thm)],[c16,c3]) ).
cnf(d1,plain,
( ~ at(d,X0)
| ~ warm(X0) ),
inference(resolution,[status(thm)],[d0,c8]) ).
cnf(d2,plain,
( ~ warm(go(d,X0))
| ~ at(f,X0) ),
inference(resolution,[status(thm)],[c14,d1]) ).
cnf(d3,plain,
( ~ at(c,X0)
| ~ cold(X0) ),
inference(resolution,[status(thm)],[d0,c6]) ).
cnf(d4,plain,
( ~ cold(go(c,X0))
| ~ at(d,X0) ),
inference(resolution,[status(thm)],[c10,d3]) ).
cnf(d5,plain,
( warm(X1)
| ~ at(d,X0) ),
inference(resolution,[status(thm)],[d4,c0]) ).
cnf(d6,plain,
( warm(X1)
| ~ at(f,X0) ),
inference(resolution,[status(thm)],[c14,d5]) ).
cnf(d7,plain,
warm(X0),
inference(resolution,[status(thm)],[d6,c15]) ).
cnf(d8,plain,
~ at(f,X0),
inference(resolution,[status(thm)],[d7,d2]) ).
cnf(d9,plain,
$false,
inference(resolution,[status(thm)],[d8,c15]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PLA002-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.37 % Computer : n003.cluster.edu
% 0.09/0.37 % Model : x86_64 x86_64
% 0.09/0.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.37 % Memory : 8046.5625MB
% 0.09/0.37 % OS : Linux 6.8.0-71-generic
% 0.09/0.37 % CPULimit : 300
% 0.09/0.37 % WCLimit : 300
% 0.09/0.37 % DateTime : Sat Sep 26 04:43:54 UTC 2026
% 0.09/0.37 % CPUTime :
% 0.09/0.37 Running casc-portfolio.sh -t 300 /export/starexec/sandbox/benchmark/theBenchmark.p
% 10.36/1.77 % SZS status Unsatisfiable for theBenchmark.p
% 10.36/1.77 % SZS output start CNFRefutation for theBenchmark.p
% See solution above
%------------------------------------------------------------------------------