%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : PLA029+2 : TPTP v9.3.1. Released v2.5.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% Computer : n013.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 : Thu Sep 24 01:58:42 PM UTC 2026
% Result : Satisfiable 0.09s 0.38s
% Output : Saturation 0.09s
% Verified :
% SZS Type : ERROR: Analysing output (MakeTreeStats fails)
% Comments :
%------------------------------------------------------------------------------
fof(f1,axiom,
! [I,X] :
( nonfixed(X)
=> ! [Z] :
( ( neq(X,Z)
& a_block(Z) )
=> ( ( destination(Z,I)
& object(X,I)
& time(I) )
=> on(X,Z,s(I)) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f2,axiom,
! [I,X] :
( nonfixed(X)
=> ! [Y] :
( ( neq(X,Y)
& a_block(Y) )
=> ( ( source(Y,I)
& object(X,I)
& time(I) )
=> ~ on(X,Y,s(I)) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f3,axiom,
! [I,Y] :
( nonfixed(Y)
=> ( ( source(Y,I)
& time(I) )
=> clear(Y,s(I)) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f4,axiom,
! [I,Z] :
( nonfixed(Z)
=> ( ( destination(Z,I)
& time(I) )
=> ~ clear(Z,s(I)) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f5,axiom,
! [I,X] :
( nonfixed(X)
=> ! [Y] :
( ( neq(X,Y)
& a_block(Y) )
=> ( ( source(Y,I)
& object(X,I) )
=> on(X,Y,I) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f6,axiom,
! [I,X] :
( nonfixed(X)
=> ( object(X,I)
=> clear(X,I) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f7,axiom,
! [I,Z] :
( nonfixed(Z)
=> ( destination(Z,I)
=> clear(Z,I) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f8,axiom,
! [I,W] :
( nonfixed(W)
=> ( ( clear(W,I)
& ~ destination(W,I)
& time(I) )
=> clear(W,s(I)) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f9,axiom,
! [I,V] :
( nonfixed(V)
=> ! [W] :
( ( neq(V,W)
& a_block(W) )
=> ( ( on(V,W,I)
& ~ object(V,I)
& time(I) )
=> on(V,W,s(I)) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f10,axiom,
! [I,W] :
( nonfixed(W)
=> ( ( ~ clear(W,I)
& ~ source(W,I)
& time(I) )
=> ~ clear(W,s(I)) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f11,axiom,
! [I,V] :
( nonfixed(V)
=> ! [W] :
( ( neq(V,W)
& a_block(W) )
=> ( ( ~ on(V,W,I)
& ~ object(V,I)
& time(I) )
=> ~ on(V,W,s(I)) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f12,axiom,
! [I,V] :
( nonfixed(V)
=> ! [W] :
( ( neq(V,W)
& a_block(W) )
=> ( ( ~ on(V,W,I)
& ~ destination(W,I)
& time(I) )
=> ~ on(V,W,s(I)) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f13,axiom,
! [I,X1] :
( nonfixed(X1)
=> ! [X2] :
( ( neq(X1,X2)
& a_block(X2) )
=> ~ ( object(X2,I)
& object(X1,I) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f14,axiom,
! [I,Y1] :
( a_block(Y1)
=> ! [Y2] :
( ( neq(Y1,Y2)
& a_block(Y2) )
=> ~ ( source(Y2,I)
& source(Y1,I) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f15,axiom,
! [I,Z1] :
( a_block(Z1)
=> ! [Z2] :
( ( neq(Z1,Z2)
& a_block(Z2) )
=> ~ ( destination(Z2,I)
& destination(Z1,I) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f16,axiom,
! [I,X] :
( nonfixed(X)
=> ~ ( source(X,I)
& object(X,I) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f17,axiom,
! [I,X] :
( nonfixed(X)
=> ~ ( destination(X,I)
& object(X,I) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f18,axiom,
! [I,Y] :
( a_block(Y)
=> ~ ( destination(Y,I)
& source(Y,I) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f19,axiom,
! [I,X] :
( a_block(X)
=> ! [Y] :
( ( neq(X,Y)
& a_block(Y) )
=> ~ ( on(Y,X,I)
& on(X,Y,I) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f20,axiom,
! [I,X] :
( a_block(X)
=> ~ on(X,X,I) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f21,axiom,
! [I,X] :
( nonfixed(X)
=> ! [Y] :
( ( neq(X,Y)
& nonfixed(Y) )
=> ! [Z] :
( ( neq(Y,Z)
& neq(X,Z)
& nonfixed(Z) )
=> ~ ( on(Z,Y,I)
& on(X,Y,I) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f22,axiom,
! [I,X] :
( nonfixed(X)
=> ! [Y] :
( ( neq(X,Y)
& a_block(Y) )
=> ! [Z] :
( ( neq(Y,Z)
& neq(X,Z)
& a_block(Z) )
=> ~ ( on(X,Z,I)
& on(X,Y,I) ) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f23,axiom,
! [I,X] :
( nonfixed(X)
=> ! [Y] :
( nonfixed(Y)
=> ~ ( clear(Y,I)
& on(X,Y,I) ) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f24,axiom,
! [I,X] :
( a_block(X)
=> ! [Y] :
( fixed(Y)
=> ~ on(Y,X,I) ) ),
file('/export/starexec/sandbox/benchmark/theBenchmark.p') ).
fof(f25,plain,
! [I,X] :
( ! [Z] :
( on(X,Z,s(I))
| ~ destination(Z,I)
| ~ object(X,I)
| ~ time(I)
| ~ neq(X,Z)
| ~ a_block(Z) )
| ~ nonfixed(X) ),
inference(pre_NNF_transformation,[status(thm)],[f1]) ).
fof(f26,plain,
! [X] :
( ! [Z] :
( ! [I] :
( on(X,Z,s(I))
| ~ destination(Z,I)
| ~ object(X,I)
| ~ time(I) )
| ~ neq(X,Z)
| ~ a_block(Z) )
| ~ nonfixed(X) ),
inference(miniscoping,[status(thm)],[f25]) ).
fof(f27,plain,
! [X0,X1,X2] :
( on(X0,X1,s(X2))
| ~ destination(X1,X2)
| ~ object(X0,X2)
| ~ time(X2)
| ~ neq(X0,X1)
| ~ a_block(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f26]) ).
fof(f28,plain,
! [I,X] :
( ! [Y] :
( ~ on(X,Y,s(I))
| ~ source(Y,I)
| ~ object(X,I)
| ~ time(I)
| ~ neq(X,Y)
| ~ a_block(Y) )
| ~ nonfixed(X) ),
inference(pre_NNF_transformation,[status(thm)],[f2]) ).
fof(f29,plain,
! [X] :
( ! [Y] :
( ! [I] :
( ~ on(X,Y,s(I))
| ~ source(Y,I)
| ~ object(X,I)
| ~ time(I) )
| ~ neq(X,Y)
| ~ a_block(Y) )
| ~ nonfixed(X) ),
inference(miniscoping,[status(thm)],[f28]) ).
fof(f30,plain,
! [X0,X1,X2] :
( ~ on(X0,X1,s(X2))
| ~ source(X1,X2)
| ~ object(X0,X2)
| ~ time(X2)
| ~ neq(X0,X1)
| ~ a_block(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f29]) ).
fof(f31,plain,
! [I,Y] :
( clear(Y,s(I))
| ~ source(Y,I)
| ~ time(I)
| ~ nonfixed(Y) ),
inference(pre_NNF_transformation,[status(thm)],[f3]) ).
fof(f32,plain,
! [Y] :
( ! [I] :
( clear(Y,s(I))
| ~ source(Y,I)
| ~ time(I) )
| ~ nonfixed(Y) ),
inference(miniscoping,[status(thm)],[f31]) ).
fof(f33,plain,
! [X0,X1] :
( clear(X0,s(X1))
| ~ source(X0,X1)
| ~ time(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f32]) ).
fof(f34,plain,
! [I,Z] :
( ~ clear(Z,s(I))
| ~ destination(Z,I)
| ~ time(I)
| ~ nonfixed(Z) ),
inference(pre_NNF_transformation,[status(thm)],[f4]) ).
fof(f35,plain,
! [Z] :
( ! [I] :
( ~ clear(Z,s(I))
| ~ destination(Z,I)
| ~ time(I) )
| ~ nonfixed(Z) ),
inference(miniscoping,[status(thm)],[f34]) ).
fof(f36,plain,
! [X0,X1] :
( ~ clear(X0,s(X1))
| ~ destination(X0,X1)
| ~ time(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f35]) ).
fof(f37,plain,
! [I,X] :
( ! [Y] :
( on(X,Y,I)
| ~ source(Y,I)
| ~ object(X,I)
| ~ neq(X,Y)
| ~ a_block(Y) )
| ~ nonfixed(X) ),
inference(pre_NNF_transformation,[status(thm)],[f5]) ).
fof(f38,plain,
! [X] :
( ! [Y] :
( ! [I] :
( on(X,Y,I)
| ~ source(Y,I)
| ~ object(X,I) )
| ~ neq(X,Y)
| ~ a_block(Y) )
| ~ nonfixed(X) ),
inference(miniscoping,[status(thm)],[f37]) ).
fof(f39,plain,
! [X0,X1,X2] :
( on(X0,X1,X2)
| ~ source(X1,X2)
| ~ object(X0,X2)
| ~ neq(X0,X1)
| ~ a_block(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f38]) ).
fof(f40,plain,
! [I,X] :
( clear(X,I)
| ~ object(X,I)
| ~ nonfixed(X) ),
inference(pre_NNF_transformation,[status(thm)],[f6]) ).
fof(f41,plain,
! [X] :
( ! [I] :
( clear(X,I)
| ~ object(X,I) )
| ~ nonfixed(X) ),
inference(miniscoping,[status(thm)],[f40]) ).
fof(f42,plain,
! [X0,X1] :
( clear(X0,X1)
| ~ object(X0,X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f41]) ).
fof(f43,plain,
! [I,Z] :
( clear(Z,I)
| ~ destination(Z,I)
| ~ nonfixed(Z) ),
inference(pre_NNF_transformation,[status(thm)],[f7]) ).
fof(f44,plain,
! [Z] :
( ! [I] :
( clear(Z,I)
| ~ destination(Z,I) )
| ~ nonfixed(Z) ),
inference(miniscoping,[status(thm)],[f43]) ).
fof(f45,plain,
! [X0,X1] :
( clear(X0,X1)
| ~ destination(X0,X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f44]) ).
fof(f46,plain,
! [I,W] :
( clear(W,s(I))
| ~ clear(W,I)
| destination(W,I)
| ~ time(I)
| ~ nonfixed(W) ),
inference(pre_NNF_transformation,[status(thm)],[f8]) ).
fof(f47,plain,
! [W] :
( ! [I] :
( clear(W,s(I))
| ~ clear(W,I)
| destination(W,I)
| ~ time(I) )
| ~ nonfixed(W) ),
inference(miniscoping,[status(thm)],[f46]) ).
fof(f48,plain,
! [X0,X1] :
( clear(X0,s(X1))
| ~ clear(X0,X1)
| destination(X0,X1)
| ~ time(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f47]) ).
fof(f49,plain,
! [I,V] :
( ! [W] :
( on(V,W,s(I))
| ~ on(V,W,I)
| object(V,I)
| ~ time(I)
| ~ neq(V,W)
| ~ a_block(W) )
| ~ nonfixed(V) ),
inference(pre_NNF_transformation,[status(thm)],[f9]) ).
fof(f50,plain,
! [V] :
( ! [W] :
( ! [I] :
( on(V,W,s(I))
| ~ on(V,W,I)
| object(V,I)
| ~ time(I) )
| ~ neq(V,W)
| ~ a_block(W) )
| ~ nonfixed(V) ),
inference(miniscoping,[status(thm)],[f49]) ).
fof(f51,plain,
! [X0,X1,X2] :
( on(X0,X1,s(X2))
| ~ on(X0,X1,X2)
| object(X0,X2)
| ~ time(X2)
| ~ neq(X0,X1)
| ~ a_block(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f50]) ).
fof(f52,plain,
! [I,W] :
( ~ clear(W,s(I))
| clear(W,I)
| source(W,I)
| ~ time(I)
| ~ nonfixed(W) ),
inference(pre_NNF_transformation,[status(thm)],[f10]) ).
fof(f53,plain,
! [W] :
( ! [I] :
( ~ clear(W,s(I))
| clear(W,I)
| source(W,I)
| ~ time(I) )
| ~ nonfixed(W) ),
inference(miniscoping,[status(thm)],[f52]) ).
fof(f54,plain,
! [X0,X1] :
( ~ clear(X0,s(X1))
| clear(X0,X1)
| source(X0,X1)
| ~ time(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f53]) ).
fof(f55,plain,
! [I,V] :
( ! [W] :
( ~ on(V,W,s(I))
| on(V,W,I)
| object(V,I)
| ~ time(I)
| ~ neq(V,W)
| ~ a_block(W) )
| ~ nonfixed(V) ),
inference(pre_NNF_transformation,[status(thm)],[f11]) ).
fof(f56,plain,
! [V] :
( ! [W] :
( ! [I] :
( ~ on(V,W,s(I))
| on(V,W,I)
| object(V,I)
| ~ time(I) )
| ~ neq(V,W)
| ~ a_block(W) )
| ~ nonfixed(V) ),
inference(miniscoping,[status(thm)],[f55]) ).
fof(f57,plain,
! [X0,X1,X2] :
( ~ on(X0,X1,s(X2))
| on(X0,X1,X2)
| object(X0,X2)
| ~ time(X2)
| ~ neq(X0,X1)
| ~ a_block(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f56]) ).
fof(f58,plain,
! [I,V] :
( ! [W] :
( ~ on(V,W,s(I))
| on(V,W,I)
| destination(W,I)
| ~ time(I)
| ~ neq(V,W)
| ~ a_block(W) )
| ~ nonfixed(V) ),
inference(pre_NNF_transformation,[status(thm)],[f12]) ).
fof(f59,plain,
! [V] :
( ! [W] :
( ! [I] :
( ~ on(V,W,s(I))
| on(V,W,I)
| destination(W,I)
| ~ time(I) )
| ~ neq(V,W)
| ~ a_block(W) )
| ~ nonfixed(V) ),
inference(miniscoping,[status(thm)],[f58]) ).
fof(f60,plain,
! [X0,X1,X2] :
( ~ on(X0,X1,s(X2))
| on(X0,X1,X2)
| destination(X1,X2)
| ~ time(X2)
| ~ neq(X0,X1)
| ~ a_block(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f59]) ).
fof(f61,plain,
! [I,X1] :
( ! [X2] :
( ~ object(X2,I)
| ~ object(X1,I)
| ~ neq(X1,X2)
| ~ a_block(X2) )
| ~ nonfixed(X1) ),
inference(pre_NNF_transformation,[status(thm)],[f13]) ).
fof(f62,plain,
! [X1] :
( ! [X2] :
( ! [I] :
( ~ object(X2,I)
| ~ object(X1,I) )
| ~ neq(X1,X2)
| ~ a_block(X2) )
| ~ nonfixed(X1) ),
inference(miniscoping,[status(thm)],[f61]) ).
fof(f63,plain,
! [X0,X1,X2] :
( ~ object(X1,X2)
| ~ object(X0,X2)
| ~ neq(X0,X1)
| ~ a_block(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f62]) ).
fof(f64,plain,
! [I,Y1] :
( ! [Y2] :
( ~ source(Y2,I)
| ~ source(Y1,I)
| ~ neq(Y1,Y2)
| ~ a_block(Y2) )
| ~ a_block(Y1) ),
inference(pre_NNF_transformation,[status(thm)],[f14]) ).
fof(f65,plain,
! [Y1] :
( ! [Y2] :
( ! [I] :
( ~ source(Y2,I)
| ~ source(Y1,I) )
| ~ neq(Y1,Y2)
| ~ a_block(Y2) )
| ~ a_block(Y1) ),
inference(miniscoping,[status(thm)],[f64]) ).
fof(f66,plain,
! [X0,X1,X2] :
( ~ source(X1,X2)
| ~ source(X0,X2)
| ~ neq(X0,X1)
| ~ a_block(X1)
| ~ a_block(X0) ),
inference(cnf_transformation,[status(thm)],[f65]) ).
fof(f67,plain,
! [I,Z1] :
( ! [Z2] :
( ~ destination(Z2,I)
| ~ destination(Z1,I)
| ~ neq(Z1,Z2)
| ~ a_block(Z2) )
| ~ a_block(Z1) ),
inference(pre_NNF_transformation,[status(thm)],[f15]) ).
fof(f68,plain,
! [Z1] :
( ! [Z2] :
( ! [I] :
( ~ destination(Z2,I)
| ~ destination(Z1,I) )
| ~ neq(Z1,Z2)
| ~ a_block(Z2) )
| ~ a_block(Z1) ),
inference(miniscoping,[status(thm)],[f67]) ).
fof(f69,plain,
! [X0,X1,X2] :
( ~ destination(X1,X2)
| ~ destination(X0,X2)
| ~ neq(X0,X1)
| ~ a_block(X1)
| ~ a_block(X0) ),
inference(cnf_transformation,[status(thm)],[f68]) ).
fof(f70,plain,
! [I,X] :
( ~ source(X,I)
| ~ object(X,I)
| ~ nonfixed(X) ),
inference(pre_NNF_transformation,[status(thm)],[f16]) ).
fof(f71,plain,
! [X] :
( ! [I] :
( ~ source(X,I)
| ~ object(X,I) )
| ~ nonfixed(X) ),
inference(miniscoping,[status(thm)],[f70]) ).
fof(f72,plain,
! [X0,X1] :
( ~ source(X0,X1)
| ~ object(X0,X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f71]) ).
fof(f73,plain,
! [I,X] :
( ~ destination(X,I)
| ~ object(X,I)
| ~ nonfixed(X) ),
inference(pre_NNF_transformation,[status(thm)],[f17]) ).
fof(f74,plain,
! [X] :
( ! [I] :
( ~ destination(X,I)
| ~ object(X,I) )
| ~ nonfixed(X) ),
inference(miniscoping,[status(thm)],[f73]) ).
fof(f75,plain,
! [X0,X1] :
( ~ destination(X0,X1)
| ~ object(X0,X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f74]) ).
fof(f76,plain,
! [I,Y] :
( ~ destination(Y,I)
| ~ source(Y,I)
| ~ a_block(Y) ),
inference(pre_NNF_transformation,[status(thm)],[f18]) ).
fof(f77,plain,
! [Y] :
( ! [I] :
( ~ destination(Y,I)
| ~ source(Y,I) )
| ~ a_block(Y) ),
inference(miniscoping,[status(thm)],[f76]) ).
fof(f78,plain,
! [X0,X1] :
( ~ destination(X0,X1)
| ~ source(X0,X1)
| ~ a_block(X0) ),
inference(cnf_transformation,[status(thm)],[f77]) ).
fof(f79,plain,
! [I,X] :
( ! [Y] :
( ~ on(Y,X,I)
| ~ on(X,Y,I)
| ~ neq(X,Y)
| ~ a_block(Y) )
| ~ a_block(X) ),
inference(pre_NNF_transformation,[status(thm)],[f19]) ).
fof(f80,plain,
! [X] :
( ! [Y] :
( ! [I] :
( ~ on(Y,X,I)
| ~ on(X,Y,I) )
| ~ neq(X,Y)
| ~ a_block(Y) )
| ~ a_block(X) ),
inference(miniscoping,[status(thm)],[f79]) ).
fof(f81,plain,
! [X0,X1,X2] :
( ~ on(X1,X0,X2)
| ~ on(X0,X1,X2)
| ~ neq(X0,X1)
| ~ a_block(X1)
| ~ a_block(X0) ),
inference(cnf_transformation,[status(thm)],[f80]) ).
fof(f82,plain,
! [I,X] :
( ~ on(X,X,I)
| ~ a_block(X) ),
inference(pre_NNF_transformation,[status(thm)],[f20]) ).
fof(f83,plain,
! [X] :
( ! [I] : ~ on(X,X,I)
| ~ a_block(X) ),
inference(miniscoping,[status(thm)],[f82]) ).
fof(f84,plain,
! [X0,X1] :
( ~ on(X0,X0,X1)
| ~ a_block(X0) ),
inference(cnf_transformation,[status(thm)],[f83]) ).
fof(f85,plain,
! [I,X] :
( ! [Y] :
( ! [Z] :
( ~ on(Z,Y,I)
| ~ on(X,Y,I)
| ~ neq(Y,Z)
| ~ neq(X,Z)
| ~ nonfixed(Z) )
| ~ neq(X,Y)
| ~ nonfixed(Y) )
| ~ nonfixed(X) ),
inference(pre_NNF_transformation,[status(thm)],[f21]) ).
fof(f86,plain,
! [X] :
( ! [Y] :
( ! [Z] :
( ! [I] :
( ~ on(Z,Y,I)
| ~ on(X,Y,I) )
| ~ neq(Y,Z)
| ~ neq(X,Z)
| ~ nonfixed(Z) )
| ~ neq(X,Y)
| ~ nonfixed(Y) )
| ~ nonfixed(X) ),
inference(miniscoping,[status(thm)],[f85]) ).
fof(f87,plain,
! [X0,X1,X2,X3] :
( ~ on(X2,X1,X3)
| ~ on(X0,X1,X3)
| ~ neq(X1,X2)
| ~ neq(X0,X2)
| ~ nonfixed(X2)
| ~ neq(X0,X1)
| ~ nonfixed(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f86]) ).
fof(f88,plain,
! [I,X] :
( ! [Y] :
( ! [Z] :
( ~ on(X,Z,I)
| ~ on(X,Y,I)
| ~ neq(Y,Z)
| ~ neq(X,Z)
| ~ a_block(Z) )
| ~ neq(X,Y)
| ~ a_block(Y) )
| ~ nonfixed(X) ),
inference(pre_NNF_transformation,[status(thm)],[f22]) ).
fof(f89,plain,
! [X] :
( ! [Y] :
( ! [Z] :
( ! [I] :
( ~ on(X,Z,I)
| ~ on(X,Y,I) )
| ~ neq(Y,Z)
| ~ neq(X,Z)
| ~ a_block(Z) )
| ~ neq(X,Y)
| ~ a_block(Y) )
| ~ nonfixed(X) ),
inference(miniscoping,[status(thm)],[f88]) ).
fof(f90,plain,
! [X0,X1,X2,X3] :
( ~ on(X0,X2,X3)
| ~ on(X0,X1,X3)
| ~ neq(X1,X2)
| ~ neq(X0,X2)
| ~ a_block(X2)
| ~ neq(X0,X1)
| ~ a_block(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f89]) ).
fof(f91,plain,
! [I,X] :
( ! [Y] :
( ~ clear(Y,I)
| ~ on(X,Y,I)
| ~ nonfixed(Y) )
| ~ nonfixed(X) ),
inference(pre_NNF_transformation,[status(thm)],[f23]) ).
fof(f92,plain,
! [X] :
( ! [Y] :
( ! [I] :
( ~ clear(Y,I)
| ~ on(X,Y,I) )
| ~ nonfixed(Y) )
| ~ nonfixed(X) ),
inference(miniscoping,[status(thm)],[f91]) ).
fof(f93,plain,
! [X0,X1,X2] :
( ~ clear(X1,X2)
| ~ on(X0,X1,X2)
| ~ nonfixed(X1)
| ~ nonfixed(X0) ),
inference(cnf_transformation,[status(thm)],[f92]) ).
fof(f94,plain,
! [I,X] :
( ! [Y] :
( ~ on(Y,X,I)
| ~ fixed(Y) )
| ~ a_block(X) ),
inference(pre_NNF_transformation,[status(thm)],[f24]) ).
fof(f95,plain,
! [X] :
( ! [Y] :
( ! [I] : ~ on(Y,X,I)
| ~ fixed(Y) )
| ~ a_block(X) ),
inference(miniscoping,[status(thm)],[f94]) ).
fof(f96,plain,
! [X0,X1,X2] :
( ~ on(X1,X0,X2)
| ~ fixed(X1)
| ~ a_block(X0) ),
inference(cnf_transformation,[status(thm)],[f95]) ).
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.02 % Problem : PLA029+2 : TPTP v9.3.1. Released v2.5.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox/benchmark/theBenchmark.p
% 0.09/0.36 % Computer : n013.cluster.edu
% 0.09/0.36 % Model : x86_64 x86_64
% 0.09/0.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.09/0.36 % Memory : 8046.5625MB
% 0.09/0.36 % OS : Linux 6.8.0-71-generic
% 0.09/0.36 % CPULimit : 300
% 0.09/0.36 % WCLimit : 300
% 0.09/0.36 % DateTime : Mon Sep 21 03:32:06 UTC 2026
% 0.09/0.36 % CPUTime :
% 0.09/0.37 % Drodi V4.1.1
% 0.09/0.38 % SZS status Satisfiable for theBenchmark: Theory is satisfiable
% 0.09/0.38 % SZS output start Saturation for theBenchmark
% See solution above
% 0.09/0.40 % Elapsed time: 0.027528 seconds
% 0.09/0.40 % CPU time: 0.077654 seconds
% 0.09/0.40 % Total memory used: 2.122 MB
% 0.09/0.40 % Net memory used: 2.084 MB
%------------------------------------------------------------------------------