%------------------------------------------------------------------------------
% File : Drodi-SAT---4.1.1
% Problem : PLA016-1 : TPTP v9.3.1. Released v1.1.0.
% Transfm : none
% Format : tptp:raw
% Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% Computer : n004.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 01:58:41 PM UTC 2026
% Result : Unsatisfiable 0.10s 5.40s
% Output : Assurance 0s
% Verified :
% SZS Type : -
% Comments :
%------------------------------------------------------------------------------
%----No solution output by system
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03 % Problem : PLA016-1 : TPTP v9.3.1. Released v1.1.0.
% 0.00/0.04 % Command : drodi -satmode(on) -timeout(300) /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.10/5.36 % Computer : n004.cluster.edu
% 0.10/5.36 % Model : x86_64 x86_64
% 0.10/5.36 % CPU : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.10/5.36 % Memory : 8046.5625MB
% 0.10/5.36 % OS : Linux 6.8.0-71-generic
% 0.10/5.36 % CPULimit : 300
% 0.10/5.36 % WCLimit : 300
% 0.10/5.36 % DateTime : Mon Sep 21 03:32:27 UTC 2026
% 0.10/5.36 % CPUTime :
% 0.10/5.38 % Drodi V4.1.1
% 0.10/5.40 % Refutation found
% 0.10/5.40 % SZS status Unsatisfiable for theBenchmark: Theory is unsatisfiable
% 0.10/5.40 % SZS output start CNFRefutation for theBenchmark
% 0.10/5.40 fof(f2,axiom,(
% 0.10/5.40 (![X,State]: (( holds(holding(X),do(pickup(X),State))| ~ holds(empty,State)| ~ holds(clear(X),State)| ~ differ(X,table) ) ))),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f3,axiom,(
% 0.10/5.40 (![Y,X,State]: (( holds(clear(Y),do(pickup(X),State))| ~ holds(on(X,Y),State)| ~ holds(clear(X),State)| ~ holds(empty,State) ) ))),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f5,axiom,(
% 0.10/5.40 (![X,Z,State]: (( holds(clear(X),do(pickup(Z),State))| ~ holds(clear(X),State)| ~ differ(X,Z) ) ))),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f6,axiom,(
% 0.10/5.40 (![X,Y,State]: (( holds(empty,do(putdown(X,Y),State))| ~ holds(holding(X),State)| ~ holds(clear(Y),State) ) ))),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f7,axiom,(
% 0.10/5.40 (![X,Y,State]: (( holds(on(X,Y),do(putdown(X,Y),State))| ~ holds(holding(X),State)| ~ holds(clear(Y),State) ) ))),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f10,axiom,(
% 0.10/5.40 (![Z,X,Y,State]: (( holds(clear(Z),do(putdown(X,Y),State))| ~ holds(clear(Z),State)| ~ differ(Z,Y) ) ))),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f13,axiom,(
% 0.10/5.40 differ(a,c) ),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f14,axiom,(
% 0.10/5.40 differ(a,d) ),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f15,axiom,(
% 0.10/5.40 differ(a,table) ),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f20,axiom,(
% 0.10/5.40 differ(c,table) ),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f21,axiom,(
% 0.10/5.40 differ(d,table) ),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f24,axiom,(
% 0.10/5.40 holds(on(c,d),s0) ),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f26,axiom,(
% 0.10/5.40 holds(clear(a),s0) ),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f28,axiom,(
% 0.10/5.40 holds(clear(c),s0) ),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f29,axiom,(
% 0.10/5.40 holds(empty,s0) ),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f30,axiom,(
% 0.10/5.40 (![State]: (holds(clear(table),State) ))),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f31,negated_conjecture,(
% 0.10/5.40 (![State]: (~ holds(on(d,a),State) ))),
% 0.10/5.40 file('/export/starexec/sandbox2/benchmark/theBenchmark.p')).
% 0.10/5.40 fof(f34,plain,(
% 0.10/5.40 ![X]: ((![State]: ((holds(holding(X),do(pickup(X),State))|~holds(empty,State))|~holds(clear(X),State)))|~differ(X,table))),
% 0.10/5.40 inference(miniscoping,[status(thm)],[f2])).
% 0.10/5.40 fof(f35,plain,(
% 0.10/5.40 ![X0,X1]: (holds(holding(X0),do(pickup(X0),X1))|~holds(empty,X1)|~holds(clear(X0),X1)|~differ(X0,table))),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f34])).
% 0.10/5.40 fof(f36,plain,(
% 0.10/5.40 ![State]: ((![X]: ((![Y]: (holds(clear(Y),do(pickup(X),State))|~holds(on(X,Y),State)))|~holds(clear(X),State)))|~holds(empty,State))),
% 0.10/5.40 inference(miniscoping,[status(thm)],[f3])).
% 0.10/5.40 fof(f37,plain,(
% 0.10/5.40 ![X0,X1,X2]: (holds(clear(X0),do(pickup(X1),X2))|~holds(on(X1,X0),X2)|~holds(clear(X1),X2)|~holds(empty,X2))),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f36])).
% 0.10/5.40 fof(f40,plain,(
% 0.10/5.40 ![X,Z]: ((![State]: (holds(clear(X),do(pickup(Z),State))|~holds(clear(X),State)))|~differ(X,Z))),
% 0.10/5.40 inference(miniscoping,[status(thm)],[f5])).
% 0.10/5.40 fof(f41,plain,(
% 0.10/5.40 ![X0,X1,X2]: (holds(clear(X0),do(pickup(X1),X2))|~holds(clear(X0),X2)|~differ(X0,X1))),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f40])).
% 0.10/5.40 fof(f42,plain,(
% 0.10/5.40 ![Y,State]: ((![X]: (holds(empty,do(putdown(X,Y),State))|~holds(holding(X),State)))|~holds(clear(Y),State))),
% 0.10/5.40 inference(miniscoping,[status(thm)],[f6])).
% 0.10/5.40 fof(f43,plain,(
% 0.10/5.40 ![X0,X1,X2]: (holds(empty,do(putdown(X0,X1),X2))|~holds(holding(X0),X2)|~holds(clear(X1),X2))),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f42])).
% 0.10/5.40 fof(f44,plain,(
% 0.10/5.40 ![Y,State]: ((![X]: (holds(on(X,Y),do(putdown(X,Y),State))|~holds(holding(X),State)))|~holds(clear(Y),State))),
% 0.10/5.40 inference(miniscoping,[status(thm)],[f7])).
% 0.10/5.40 fof(f45,plain,(
% 0.10/5.40 ![X0,X1,X2]: (holds(on(X0,X1),do(putdown(X0,X1),X2))|~holds(holding(X0),X2)|~holds(clear(X1),X2))),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f44])).
% 0.10/5.40 fof(f50,plain,(
% 0.10/5.40 ![Z,Y]: ((![State]: ((![X]: holds(clear(Z),do(putdown(X,Y),State)))|~holds(clear(Z),State)))|~differ(Z,Y))),
% 0.10/5.40 inference(miniscoping,[status(thm)],[f10])).
% 0.10/5.40 fof(f51,plain,(
% 0.10/5.40 ![X0,X1,X2,X3]: (holds(clear(X0),do(putdown(X1,X2),X3))|~holds(clear(X0),X3)|~differ(X0,X2))),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f50])).
% 0.10/5.40 fof(f54,plain,(
% 0.10/5.40 differ(a,c)),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f13])).
% 0.10/5.40 fof(f55,plain,(
% 0.10/5.40 differ(a,d)),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f14])).
% 0.10/5.40 fof(f56,plain,(
% 0.10/5.40 differ(a,table)),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f15])).
% 0.10/5.40 fof(f61,plain,(
% 0.10/5.40 differ(c,table)),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f20])).
% 0.10/5.40 fof(f62,plain,(
% 0.10/5.40 differ(d,table)),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f21])).
% 0.10/5.40 fof(f65,plain,(
% 0.10/5.40 holds(on(c,d),s0)),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f24])).
% 0.10/5.40 fof(f67,plain,(
% 0.10/5.40 holds(clear(a),s0)),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f26])).
% 0.10/5.40 fof(f69,plain,(
% 0.10/5.40 holds(clear(c),s0)),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f28])).
% 0.10/5.40 fof(f70,plain,(
% 0.10/5.40 holds(empty,s0)),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f29])).
% 0.10/5.40 fof(f71,plain,(
% 0.10/5.40 ![X0]: (holds(clear(table),X0))),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f30])).
% 0.10/5.40 fof(f72,plain,(
% 0.10/5.40 ![X0]: (~holds(on(d,a),X0))),
% 0.10/5.40 inference(cnf_transformation,[status(thm)],[f31])).
% 0.10/5.40 fof(f75,plain,(
% 0.10/5.40 ![X0]: (~holds(holding(d),X0)|~holds(clear(a),X0))),
% 0.10/5.40 inference(resolution,[status(thm)],[f45,f72])).
% 0.10/5.40 fof(f76,plain,(
% 0.10/5.40 ![X0]: (~holds(clear(a),do(pickup(d),X0))|~holds(empty,X0)|~holds(clear(d),X0)|~differ(d,table))),
% 0.10/5.40 inference(resolution,[status(thm)],[f75,f35])).
% 0.10/5.40 fof(f77,plain,(
% 0.10/5.40 ![X0]: (~holds(clear(a),do(pickup(d),X0))|~holds(empty,X0)|~holds(clear(d),X0))),
% 0.10/5.40 inference(forward_subsumption_resolution,[status(thm)],[f76,f62])).
% 0.10/5.40 fof(f79,plain,(
% 0.10/5.40 ![X0]: (~holds(empty,X0)|~holds(clear(d),X0)|~holds(clear(a),X0)|~differ(a,d))),
% 0.10/5.40 inference(resolution,[status(thm)],[f77,f41])).
% 0.10/5.40 fof(f81,plain,(
% 0.10/5.40 ![X0]: (~holds(empty,X0)|~holds(clear(d),X0)|~holds(clear(a),X0))),
% 0.10/5.40 inference(forward_subsumption_resolution,[status(thm)],[f79,f55])).
% 0.10/5.40 fof(f82,plain,(
% 0.10/5.40 ![X0,X1,X2]: (~holds(clear(d),do(putdown(X0,X1),X2))|~holds(clear(a),do(putdown(X0,X1),X2))|~holds(holding(X0),X2)|~holds(clear(X1),X2))),
% 0.10/5.40 inference(resolution,[status(thm)],[f81,f43])).
% 0.10/5.40 fof(f85,plain,(
% 0.10/5.40 ![X0,X1,X2]: (~holds(clear(a),do(putdown(X0,X1),X2))|~holds(holding(X0),X2)|~holds(clear(X1),X2)|~holds(clear(d),X2)|~differ(d,X1))),
% 0.10/5.40 inference(resolution,[status(thm)],[f82,f51])).
% 0.10/5.40 fof(f86,plain,(
% 0.10/5.40 ![X0,X1,X2]: (~holds(holding(X0),X1)|~holds(clear(X2),X1)|~holds(clear(d),X1)|~differ(d,X2)|~holds(clear(a),X1)|~differ(a,X2))),
% 0.10/5.40 inference(resolution,[status(thm)],[f85,f51])).
% 0.10/5.40 fof(f87,plain,(
% 0.10/5.40 ![X0,X1,X2]: (~holds(clear(X0),do(pickup(X1),X2))|~holds(clear(d),do(pickup(X1),X2))|~differ(d,X0)|~holds(clear(a),do(pickup(X1),X2))|~differ(a,X0)|~holds(empty,X2)|~holds(clear(X1),X2)|~differ(X1,table))),
% 0.12/5.40 inference(resolution,[status(thm)],[f86,f35])).
% 0.12/5.40 fof(f88,plain,(
% 0.12/5.40 ![X0,X1,X2]: (~holds(clear(X0),do(pickup(X1),X2))|~differ(d,X0)|~holds(clear(a),do(pickup(X1),X2))|~differ(a,X0)|~holds(empty,X2)|~holds(clear(X1),X2)|~differ(X1,table)|~holds(on(X1,d),X2)|~holds(clear(X1),X2)|~holds(empty,X2))),
% 0.12/5.40 inference(resolution,[status(thm)],[f87,f37])).
% 0.12/5.40 fof(f90,plain,(
% 0.12/5.40 ![X0,X1,X2]: (~holds(clear(X0),do(pickup(X1),X2))|~differ(d,X0)|~holds(clear(a),do(pickup(X1),X2))|~differ(a,X0)|~holds(empty,X2)|~holds(clear(X1),X2)|~differ(X1,table)|~holds(on(X1,d),X2))),
% 0.12/5.40 inference(duplicate_literals_removal,[status(thm)],[f88])).
% 0.12/5.40 fof(f92,plain,(
% 0.12/5.40 ![X0,X1,X2]: (~holds(clear(X0),do(pickup(X1),X2))|~differ(d,X0)|~differ(a,X0)|~holds(empty,X2)|~holds(clear(X1),X2)|~differ(X1,table)|~holds(on(X1,d),X2)|~holds(clear(a),X2)|~differ(a,X1))),
% 0.12/5.40 inference(resolution,[status(thm)],[f90,f41])).
% 0.12/5.40 fof(f103,plain,(
% 0.12/5.40 ![X0,X1]: (~holds(clear(table),do(pickup(X0),X1))|~differ(a,table)|~holds(empty,X1)|~holds(clear(X0),X1)|~differ(X0,table)|~holds(on(X0,d),X1)|~holds(clear(a),X1)|~differ(a,X0))),
% 0.12/5.40 inference(resolution,[status(thm)],[f92,f62])).
% 0.12/5.40 fof(f105,plain,(
% 0.12/5.40 ![X0,X1]: (~differ(a,table)|~holds(empty,X0)|~holds(clear(X1),X0)|~differ(X1,table)|~holds(on(X1,d),X0)|~holds(clear(a),X0)|~differ(a,X1))),
% 0.12/5.40 inference(forward_subsumption_resolution,[status(thm)],[f103,f71])).
% 0.12/5.40 fof(f107,plain,(
% 0.12/5.40 ![X0,X1]: (~holds(empty,X0)|~holds(clear(X1),X0)|~differ(X1,table)|~holds(on(X1,d),X0)|~holds(clear(a),X0)|~differ(a,X1))),
% 0.12/5.40 inference(forward_subsumption_resolution,[status(thm)],[f105,f56])).
% 0.12/5.40 fof(f109,plain,(
% 0.12/5.40 ![X0]: (~holds(clear(X0),s0)|~differ(X0,table)|~holds(on(X0,d),s0)|~holds(clear(a),s0)|~differ(a,X0))),
% 0.12/5.40 inference(resolution,[status(thm)],[f107,f70])).
% 0.12/5.40 fof(f110,plain,(
% 0.12/5.40 ![X0]: (~holds(clear(X0),s0)|~differ(X0,table)|~holds(on(X0,d),s0)|~differ(a,X0))),
% 0.12/5.40 inference(forward_subsumption_resolution,[status(thm)],[f109,f67])).
% 0.12/5.40 fof(f111,plain,(
% 0.12/5.40 ~holds(clear(c),s0)|~differ(c,table)|~differ(a,c)),
% 0.12/5.40 inference(resolution,[status(thm)],[f110,f65])).
% 0.12/5.40 fof(f112,plain,(
% 0.12/5.40 ~differ(c,table)|~differ(a,c)),
% 0.12/5.40 inference(forward_subsumption_resolution,[status(thm)],[f111,f69])).
% 0.12/5.40 fof(f114,plain,(
% 0.12/5.40 ~differ(a,c)),
% 0.12/5.40 inference(forward_subsumption_resolution,[status(thm)],[f112,f61])).
% 0.12/5.40 fof(f115,plain,(
% 0.12/5.40 $false),
% 0.12/5.40 inference(backward_subsumption_resolution,[status(thm)],[f54,f114])).
% 0.12/5.40 % SZS output end CNFRefutation for theBenchmark.p
% 0.12/5.42 % Elapsed time: 0.048637 seconds
% 0.12/5.42 % CPU time: 0.157493 seconds
% 0.12/5.42 % Total memory used: 55.864 MB
% 0.12/5.42 % Net memory used: 55.573 MB
%------------------------------------------------------------------------------