%------------------------------------------------------------------------------
% File : FindProof---0.1
% Problem : PLA002-1 : TPTP v9.3.1. Released v1.0.0.
% Transfm : none
% Format : tptp:raw
% Command : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% Computer : n006.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 : Fri Sep 25 02:30:39 PM UTC 2026
% Result : Unsatisfiable 9.53s 6.98s
% Output : Proof 9.53s
% Verified :
% SZS Type : Refutation
% Derivation depth : 11
% Number of leaves : 8
% Syntax : Number of formulae : 41 ( 13 unt; 0 def)
% Number of atoms : 78 ( 0 equ)
% Maximal formula atoms : 3 ( 1 avg)
% Number of connectives : 71 ( 34 ~; 37 |; 0 &)
% ( 0 <=>; 0 =>; 0 <=; 0 <~>)
% Maximal formula depth : 5 ( 3 avg)
% Maximal term depth : 5 ( 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 : 38 ( 10 sgn 16 !; 0 ?)
% Comments :
%------------------------------------------------------------------------------
cnf(f8,hypothesis,
( at(b,climb(b,Situation))
| ~ at(d,Situation)
| ~ warm(Situation) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',climb_mountain_d_to_b) ).
fof(f8_nnf,plain,
! [Situation] :
( at(b,climb(b,Situation))
| ~ at(d,Situation)
| ~ warm(Situation) ),
inference(nnf_transformation,[status(thm)],[f8]) ).
fof(f8_sk,plain,
! [Situation] :
( at(b,climb(b,Situation))
| ~ at(d,Situation)
| ~ warm(Situation) ),
inference(skolemisation,[status(esa)],[f8_nnf]) ).
cnf(c8,plain,
( at(b,climb(b,X0))
| ~ at(d,X0)
| ~ warm(X0) ),
inference(cnf_transformation,[status(esa)],[f8_sk]) ).
cnf(f0,hypothesis,
( cold(Situation2)
| warm(Situation1) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',warm_or_cold) ).
fof(f0_nnf,plain,
! [Situation1,Situation2] :
( cold(Situation2)
| warm(Situation1) ),
inference(nnf_transformation,[status(thm)],[f0]) ).
fof(f0_sk,plain,
! [Situation1,Situation2] :
( cold(Situation2)
| warm(Situation1) ),
inference(skolemisation,[status(esa)],[f0_nnf]) ).
cnf(c0,plain,
( cold(X1)
| warm(X0) ),
inference(cnf_transformation,[status(esa)],[f0_sk]) ).
cnf(p34,plain,
( cold(X1)
| at(b,climb(b,X0))
| ~ at(d,X0) ),
inference(resolution,[status(thm)],[c8,c0]) ).
cnf(f14,hypothesis,
( at(d,go(d,Situation))
| ~ at(f,Situation) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',go_f_to_d) ).
fof(f14_nnf,plain,
! [Situation] :
( at(d,go(d,Situation))
| ~ at(f,Situation) ),
inference(nnf_transformation,[status(thm)],[f14]) ).
fof(f14_sk,plain,
! [Situation] :
( at(d,go(d,Situation))
| ~ at(f,Situation) ),
inference(skolemisation,[status(esa)],[f14_nnf]) ).
cnf(c14,plain,
( at(d,go(d,X0))
| ~ at(f,X0) ),
inference(cnf_transformation,[status(esa)],[f14_sk]) ).
cnf(f15,hypothesis,
at(f,s0),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',initial) ).
fof(f15_nnf,plain,
at(f,s0),
inference(nnf_transformation,[status(thm)],[f15]) ).
cnf(c15,plain,
at(f,s0),
inference(cnf_transformation,[status(esa)],[f15_nnf]) ).
cnf(p18,plain,
at(d,go(d,s0)),
inference(resolution,[status(thm)],[c14,c15]) ).
cnf(p44,plain,
( cold(X0)
| at(b,climb(b,go(d,s0))) ),
inference(resolution,[status(thm)],[p34,p18]) ).
cnf(f3,hypothesis,
( at(a,walk(a,Situation))
| ~ at(b,Situation) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',walk_b_to_a) ).
fof(f3_nnf,plain,
! [Situation] :
( at(a,walk(a,Situation))
| ~ at(b,Situation) ),
inference(nnf_transformation,[status(thm)],[f3]) ).
fof(f3_sk,plain,
! [Situation] :
( at(a,walk(a,Situation))
| ~ at(b,Situation) ),
inference(skolemisation,[status(esa)],[f3_nnf]) ).
cnf(c3,plain,
( at(a,walk(a,X0))
| ~ at(b,X0) ),
inference(cnf_transformation,[status(esa)],[f3_sk]) ).
cnf(p47,plain,
( at(a,walk(a,climb(b,go(d,s0))))
| cold(X0) ),
inference(resolution,[status(thm)],[p44,c3]) ).
cnf(f16,negated_conjecture,
~ at(a,S),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',prove_you_can_get_to_a) ).
fof(f16_nnf,plain,
! [S] : ~ at(a,S),
inference(nnf_transformation,[status(thm)],[f16]) ).
fof(f16_sk,plain,
! [S] : ~ at(a,S),
inference(skolemisation,[status(esa)],[f16_nnf]) ).
cnf(c16,plain,
~ at(a,X0),
inference(cnf_transformation,[status(esa)],[f16_sk]) ).
cnf(p60,plain,
cold(X0),
inference(resolution,[status(thm)],[p47,c16]) ).
cnf(f6,hypothesis,
( at(b,skate(b,Situation))
| ~ at(c,Situation)
| ~ cold(Situation) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',cross_river_c_to_b) ).
fof(f6_nnf,plain,
! [Situation] :
( at(b,skate(b,Situation))
| ~ at(c,Situation)
| ~ cold(Situation) ),
inference(nnf_transformation,[status(thm)],[f6]) ).
fof(f6_sk,plain,
! [Situation] :
( at(b,skate(b,Situation))
| ~ at(c,Situation)
| ~ cold(Situation) ),
inference(skolemisation,[status(esa)],[f6_nnf]) ).
cnf(c6,plain,
( at(b,skate(b,X0))
| ~ at(c,X0)
| ~ cold(X0) ),
inference(cnf_transformation,[status(esa)],[f6_sk]) ).
cnf(p62,plain,
( at(b,skate(b,X0))
| ~ at(c,X0) ),
inference(resolution,[status(thm)],[p60,c6]) ).
cnf(f10,hypothesis,
( at(c,go(c,Situation))
| ~ at(d,Situation) ),
file('/export/starexec/sandbox2/benchmark/theBenchmark.p',go_d_to_c) ).
fof(f10_nnf,plain,
! [Situation] :
( at(c,go(c,Situation))
| ~ at(d,Situation) ),
inference(nnf_transformation,[status(thm)],[f10]) ).
fof(f10_sk,plain,
! [Situation] :
( at(c,go(c,Situation))
| ~ at(d,Situation) ),
inference(skolemisation,[status(esa)],[f10_nnf]) ).
cnf(c10,plain,
( at(c,go(c,X0))
| ~ at(d,X0) ),
inference(cnf_transformation,[status(esa)],[f10_sk]) ).
cnf(p20,plain,
at(c,go(c,go(d,s0))),
inference(resolution,[status(thm)],[p18,c10]) ).
cnf(p64,plain,
at(b,skate(b,go(c,go(d,s0)))),
inference(resolution,[status(thm)],[p62,p20]) ).
cnf(p69,plain,
at(a,walk(a,skate(b,go(c,go(d,s0))))),
inference(resolution,[status(thm)],[p64,c3]) ).
cnf(p72,plain,
$false,
inference(resolution,[status(thm)],[p69,c16]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PLA002-1 : TPTP v9.3.1. Released v1.0.0.
% 0.00/0.04 % Command : run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 0.10/5.37 % Computer : n006.cluster.edu
% 0.10/5.37 % Model : x86_64 x86_64
% 0.10/5.37 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/5.37 % Memory : 8046.5625MB
% 0.10/5.37 % OS : Linux 6.8.0-71-generic
% 0.10/5.37 % CPULimit : 300
% 0.10/5.37 % WCLimit : 300
% 0.10/5.37 % DateTime : Thu Sep 24 06:07:35 UTC 2026
% 0.10/5.37 % CPUTime :
% 0.10/5.37 Running run_findproof /export/starexec/sandbox2/benchmark/theBenchmark.p 300
% 9.53/6.98 % SZS status Unsatisfiable for /export/starexec/sandbox2/benchmark/theBenchmark.p
% 9.53/6.98 % SZS output start Proof for /export/starexec/sandbox2/benchmark/theBenchmark.p
% See solution above
%------------------------------------------------------------------------------